387865960 has 16 divisors (see below), whose sum is σ = 872698500. Its totient is φ = 155146368.

The previous prime is 387865937. The next prime is 387865987. The reversal of 387865960 is 69568783.

It can be written as a sum of positive squares in 2 ways, for example, as 316057284 + 71808676 = 17778^2 + 8474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 387865898 and 387865907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848285 + ... + 4848364.

Almost surely, 2^387865960 is an apocalyptic number.

It is an amenable number.

387865960 is an abundant number, since it is smaller than the sum of its proper divisors (484832540).

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

387865960 is a wasteful number, since it uses less digits than its factorization.

387865960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696660 (or 9696656 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 387865960 is about 19694.3128846883. The cubic root of 387865960 is about 729.2793037352.

The spelling of 387865960 in words is "three hundred eighty-seven million, eight hundred sixty-five thousand, nine hundred sixty".