3639898984 has 32 divisors (see below), whose sum is σ = 6995600640. Its totient is φ = 1774460800.

The previous prime is 3639898979. The next prime is 3639899023. The reversal of 3639898984 is 4898989363.

It is a super-2 number, since 2×3639898984² = 26497729227448464512, which contains 22 as substring.

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, 847707 + ... + 851989.

It is an arithmetic number, because the mean of its divisors is an integer number (218612520).

Almost surely, 2^3639898984 is an apocalyptic number.

It is an amenable number.

3639898984 is a deficient number, since it is larger than the sum of its proper divisors (3355701656).

3639898984 is a wasteful number, since it uses less digits than its factorization.

3639898984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921 (or 6917 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 67.

The square root of 3639898984 is about 60331.5753482370. The cubic root of 3639898984 is about 1538.2601061818.

The spelling of 3639898984 in words is "three billion, six hundred thirty-nine million, eight hundred ninety-eight thousand, nine hundred eighty-four".