6985638952 has 64 divisors (see below), whose sum is σ = 14535475200. Its totient is φ = 3134013120.

The previous prime is 6985638941. The next prime is 6985638973. The reversal of 6985638952 is 2598365896.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205693 + ... + 237235.

It is an arithmetic number, because the mean of its divisors is an integer number (227116800).

Almost surely, 2^6985638952 is an apocalyptic number.

6985638952 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6985638952 is an abundant number, since it is smaller than the sum of its proper divisors (7549836248).

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

6985638952 is a wasteful number, since it uses less digits than its factorization.

6985638952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31646 (or 31642 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 61.

The square root of 6985638952 is about 83580.1349125496. The cubic root of 6985638952 is about 1911.6221111173.

The spelling of 6985638952 in words is "six billion, nine hundred eighty-five million, six hundred thirty-eight thousand, nine hundred fifty-two".