383860872 has 24 divisors (see below), whose sum is σ = 1039623390. Its totient is φ = 127953600.

The previous prime is 383860853. The next prime is 383860909. The reversal of 383860872 is 278068383.

383860872 is a `hidden beast` number, since 3 + 8 + 38 + 608 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 302968836 + 80892036 = 17406^2 + 8994^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2665629 + ... + 2665772.

Almost surely, 2^383860872 is an apocalyptic number.

It is an amenable number.

383860872 is an abundant number, since it is smaller than the sum of its proper divisors (655762518).

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

383860872 is a wasteful number, since it uses less digits than its factorization.

383860872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5331413 (or 5331406 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 383860872 is about 19592.3676976521. The cubic root of 383860872 is about 726.7604444619.

The spelling of 383860872 in words is "three hundred eighty-three million, eight hundred sixty thousand, eight hundred seventy-two".