985804928 has 32 divisors (see below), whose sum is σ = 2009591760. Its totient is φ = 481436928.

The previous prime is 985804927. The next prime is 985804933. The reversal of 985804928 is 829408589.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×985804928² = 1943622712138170368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 985804928.

It is not an unprimeable number, because it can be changed into a prime (985804927) 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, 84050 + ... + 95057.

Almost surely, 2^985804928 is an apocalyptic number.

It is an amenable number.

985804928 is an abundant number, since it is smaller than the sum of its proper divisors (1023786832).

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

985804928 is a wasteful number, since it uses less digits than its factorization.

985804928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179164 (or 179152 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 985804928 is about 31397.5306035363. The cubic root of 985804928 is about 995.2457421861.

The spelling of 985804928 in words is "nine hundred eighty-five million, eight hundred four thousand, nine hundred twenty-eight".