985595988 has 24 divisors (see below), whose sum is σ = 2476626208. Its totient is φ = 303260256.

The previous prime is 985595959. The next prime is 985595993. The reversal of 985595988 is 889595589.

It is a super-2 number, since 2×985595988² = 1942798903123392288, 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 7 ways as a sum of consecutive naturals, for example, 3158806 + ... + 3159117.

Almost surely, 2^985595988 is an apocalyptic number.

It is an amenable number.

985595988 is an abundant number, since it is smaller than the sum of its proper divisors (1491030220).

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

985595988 is a wasteful number, since it uses less digits than its factorization.

985595988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317943 (or 6317941 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 66.

The square root of 985595988 is about 31394.2030954761. The cubic root of 985595988 is about 995.1754235620.

The spelling of 985595988 in words is "nine hundred eighty-five million, five hundred ninety-five thousand, nine hundred eighty-eight".