620083328 has 72 divisors (see below), whose sum is σ = 1294688295. Its totient is φ = 295814400.

The previous prime is 620083327. The next prime is 620083357. The reversal of 620083328 is 823380026.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 310041664 + 310041664 = 17608^2 + 17608^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17608.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620083294 and 620083303.

It is not an unprimeable number, because it can be changed into a prime (620083327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8733533 + ... + 8733603.

Almost surely, 2^620083328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620083328

620083328 is an abundant number, since it is smaller than the sum of its proper divisors (674604967).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620083328 is an frugal number, since it uses more digits than its factorization.

620083328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 620083328 is about 24901.4724062655. The cubic root of 620083328 is about 852.7400976619.

Multiplying 620083328 by its sum of digits (32), we get a square (19842666496 = 140864²).

620083328 divided by its sum of digits (32) gives a square (19377604 = 4402²).

The spelling of 620083328 in words is "six hundred twenty million, eighty-three thousand, three hundred twenty-eight".