3964987472 has 40 divisors (see below), whose sum is σ = 7800661440. Its totient is φ = 1952133120.

The previous prime is 3964987471. The next prime is 3964987487. The reversal of 3964987472 is 2747894693.

It is a super-2 number, since 2×3964987472² = 31442251306233901568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964987471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288272 + ... + 301712.

It is an arithmetic number, because the mean of its divisors is an integer number (195016536).

Almost surely, 2^3964987472 is an apocalyptic number.

It is an amenable number.

3964987472 is a deficient number, since it is larger than the sum of its proper divisors (3835673968).

3964987472 is a wasteful number, since it uses less digits than its factorization.

3964987472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13731 (or 13725 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 3964987472 is about 62968.1464869342. The cubic root of 3964987472 is about 1582.7558952844.

The spelling of 3964987472 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-seven thousand, four hundred seventy-two".