3967634464 has 12 divisors (see below), whose sum is σ = 7811280414. Its totient is φ = 1983817216.

The previous prime is 3967634453. The next prime is 3967634483. The reversal of 3967634464 is 4644367693.

It can be written as a sum of positive squares in only one way, i.e., 3861379600 + 106254864 = 62140^2 + 10308^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61994257 + ... + 61994320.

Almost surely, 2^3967634464 is an apocalyptic number.

It is an amenable number.

3967634464 is a deficient number, since it is larger than the sum of its proper divisors (3843645950).

3967634464 is a wasteful number, since it uses less digits than its factorization.

3967634464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123988587 (or 123988579 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 52.

The square root of 3967634464 is about 62989.1614803690. The cubic root of 3967634464 is about 1583.1080284053.

The spelling of 3967634464 in words is "three billion, nine hundred sixty-seven million, six hundred thirty-four thousand, four hundred sixty-four".