3864662520 has 32 divisors (see below), whose sum is σ = 11593987920. Its totient is φ = 1030576640.

The previous prime is 3864662519. The next prime is 3864662537. The reversal of 3864662520 is 252664683.

It is a happy number.

3864662520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16102641 + ... + 16102880.

Almost surely, 2^3864662520 is an apocalyptic number.

3864662520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3864662520 is an abundant number, since it is smaller than the sum of its proper divisors (7729325400).

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

3864662520 is a wasteful number, since it uses less digits than its factorization.

3864662520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32205535 (or 32205531 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 3864662520 is about 62166.4099011677. The cubic root of 3864662520 is about 1569.2923528681.

The spelling of 3864662520 in words is "three billion, eight hundred sixty-four million, six hundred sixty-two thousand, five hundred twenty".