383807864 has 32 divisors (see below), whose sum is σ = 787374000. Its totient is φ = 173944320.

The previous prime is 383807863. The next prime is 383807867. The reversal of 383807864 is 468708383.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383807863) 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, 24464 + ... + 36960.

Almost surely, 2^383807864 is an apocalyptic number.

It is an amenable number.

383807864 is an abundant number, since it is smaller than the sum of its proper divisors (403566136).

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

383807864 is a wasteful number, since it uses less digits than its factorization.

383807864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863 (or 12859 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 383807864 is about 19591.0148792757. The cubic root of 383807864 is about 726.7269897271.

The spelling of 383807864 in words is "three hundred eighty-three million, eight hundred seven thousand, eight hundred sixty-four".