383886864 has 100 divisors (see below), whose sum is σ = 1119598480. Its totient is φ = 126982080.

The previous prime is 383886817. The next prime is 383886883. The reversal of 383886864 is 468688383.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 383886864.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179079 + ... + 181209.

Almost surely, 2^383886864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383886864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559799240).

383886864 is an abundant number, since it is smaller than the sum of its proper divisors (735711616).

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

383886864 is a wasteful number, since it uses less digits than its factorization.

383886864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290 (or 2275 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 383886864 is about 19593.0310059470. The cubic root of 383886864 is about 726.7768475674.

The spelling of 383886864 in words is "three hundred eighty-three million, eight hundred eighty-six thousand, eight hundred sixty-four".