985537992 has 32 divisors (see below), whose sum is σ = 2523941280. Its totient is φ = 320499840.

The previous prime is 985537981. The next prime is 985538009. The reversal of 985537992 is 299735589.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499798 + ... + 501765.

It is an arithmetic number, because the mean of its divisors is an integer number (78873165).

Almost surely, 2^985537992 is an apocalyptic number.

It is an amenable number.

985537992 is an abundant number, since it is smaller than the sum of its proper divisors (1538403288).

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

985537992 is a wasteful number, since it uses less digits than its factorization.

985537992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001613 (or 1001609 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 57.

The square root of 985537992 is about 31393.2794081791. The cubic root of 985537992 is about 995.1559032830.

The spelling of 985537992 in words is "nine hundred eighty-five million, five hundred thirty-seven thousand, nine hundred ninety-two".