3979632996 has 36 divisors (see below), whose sum is σ = 10406514300. Its totient is φ = 1280801088.

The previous prime is 3979632989. The next prime is 3979633057. The reversal of 3979632996 is 6992369793.

It can be written as a sum of positive squares in 2 ways, for example, as 3287416896 + 692216100 = 57336^2 + 26310^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1904911 + ... + 1906998.

Almost surely, 2^3979632996 is an apocalyptic number.

3979632996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3979632996 is an abundant number, since it is smaller than the sum of its proper divisors (6426881304).

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

3979632996 is a wasteful number, since it uses less digits than its factorization.

3979632996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811948 (or 3811943 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 63.

The square root of 3979632996 is about 63084.3324130485. The cubic root of 3979632996 is about 1584.7022492637.

The spelling of 3979632996 in words is "three billion, nine hundred seventy-nine million, six hundred thirty-two thousand, nine hundred ninety-six".