3996887912 has 8 divisors (see below), whose sum is σ = 7494164850. Its totient is φ = 1998443952.

The previous prime is 3996887903. The next prime is 3996887927. The reversal of 3996887912 is 2197886993.

It can be written as a sum of positive squares in only one way, i.e., 2221613956 + 1775273956 = 47134^2 + 42134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3996887912² = 31950225962183439488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249805487 + ... + 249805502.

Almost surely, 2^3996887912 is an apocalyptic number.

It is an amenable number.

3996887912 is a deficient number, since it is larger than the sum of its proper divisors (3497276938).

3996887912 is a wasteful number, since it uses less digits than its factorization.

3996887912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499610995 (or 499610991 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 62.

The square root of 3996887912 is about 63220.9452001471. The cubic root of 3996887912 is about 1586.9892675102.

The spelling of 3996887912 in words is "three billion, nine hundred ninety-six million, eight hundred eighty-seven thousand, nine hundred twelve".