620928912 has 40 divisors (see below), whose sum is σ = 1614708160. Its totient is φ = 205603200.

The previous prime is 620928871. The next prime is 620928937. The reversal of 620928912 is 219829026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35587 + ... + 50082.

It is an arithmetic number, because the mean of its divisors is an integer number (40367704).

Almost surely, 2^620928912 is an apocalyptic number.

It is an amenable number.

620928912 is an abundant number, since it is smaller than the sum of its proper divisors (993779248).

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

620928912 is a wasteful number, since it uses less digits than its factorization.

620928912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85831 (or 85825 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 620928912 is about 24918.4452163453. The cubic root of 620928912 is about 853.1275379924.

The spelling of 620928912 in words is "six hundred twenty million, nine hundred twenty-eight thousand, nine hundred twelve".