620325916 has 24 divisors (see below), whose sum is σ = 1294594560. Its totient is φ = 254294832.

The previous prime is 620325911. The next prime is 620325917. The reversal of 620325916 is 619523026.

620325916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×620325916² = 769608484122478112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620325911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480976 + ... + 482263.

It is an arithmetic number, because the mean of its divisors is an integer number (53941440).

Almost surely, 2^620325916 is an apocalyptic number.

It is an amenable number.

620325916 is an abundant number, since it is smaller than the sum of its proper divisors (674268644).

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

620325916 is a wasteful number, since it uses less digits than its factorization.

620325916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963273 (or 963271 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 620325916 is about 24906.3428869033. The cubic root of 620325916 is about 852.8512856990.

The spelling of 620325916 in words is "six hundred twenty million, three hundred twenty-five thousand, nine hundred sixteen".