620746383 has 4 divisors (see below), whose sum is σ = 827661848. Its totient is φ = 413830920.

The previous prime is 620746349. The next prime is 620746391. The reversal of 620746383 is 383647026.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 620746383 - 2⁶ = 620746319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620746183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103457728 + ... + 103457733.

It is an arithmetic number, because the mean of its divisors is an integer number (206915462).

Almost surely, 2^620746383 is an apocalyptic number.

620746383 is a deficient number, since it is larger than the sum of its proper divisors (206915465).

620746383 is a wasteful number, since it uses less digits than its factorization.

620746383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206915464.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 620746383 is about 24914.7824192787. The cubic root of 620746383 is about 853.0439343386.

The spelling of 620746383 in words is "six hundred twenty million, seven hundred forty-six thousand, three hundred eighty-three".