3897007984 has 40 divisors (see below), whose sum is σ = 7616476800. Its totient is φ = 1931520768.

The previous prime is 3897007979. The next prime is 3897008021. The reversal of 3897007984 is 4897007983.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1445742 + ... + 1448434.

It is an arithmetic number, because the mean of its divisors is an integer number (190411920).

Almost surely, 2^3897007984 is an apocalyptic number.

It is an amenable number.

3897007984 is a deficient number, since it is larger than the sum of its proper divisors (3719468816).

3897007984 is a wasteful number, since it uses less digits than its factorization.

3897007984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457 (or 3451 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 3897007984 is about 62426.0200877807. The cubic root of 3897007984 is about 1573.6582824143.

Subtracting 3897007984 from its reverse (4897007983), we obtain a palindrome (999999999).

The spelling of 3897007984 in words is "three billion, eight hundred ninety-seven million, seven thousand, nine hundred eighty-four".