616855928 has 16 divisors (see below), whose sum is σ = 1245574680. Its totient is φ = 284702688.

The previous prime is 616855907. The next prime is 616855933. The reversal of 616855928 is 829558616.

It is a super-2 number, since 2×616855928² = 761022471817482368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2965550 + ... + 2965757.

Almost surely, 2^616855928 is an apocalyptic number.

It is an amenable number.

616855928 is an abundant number, since it is smaller than the sum of its proper divisors (628718752).

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

616855928 is a wasteful number, since it uses less digits than its factorization.

616855928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931326 (or 5931322 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The square root of 616855928 is about 24836.5844672733. The cubic root of 616855928 is about 851.2580807163.

The spelling of 616855928 in words is "six hundred sixteen million, eight hundred fifty-five thousand, nine hundred twenty-eight".