389632368 has 60 divisors (see below), whose sum is σ = 1017478280. Its totient is φ = 128482176.

The previous prime is 389632357. The next prime is 389632387. The reversal of 389632368 is 863236983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549198 + ... + 549906.

Almost surely, 2^389632368 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 389632368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508739140).

389632368 is an abundant number, since it is smaller than the sum of its proper divisors (627845912).

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

389632368 is a wasteful number, since it uses less digits than its factorization.

389632368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 821 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 389632368 is about 19739.1075786116. The cubic root of 389632368 is about 730.3847149627.

The spelling of 389632368 in words is "three hundred eighty-nine million, six hundred thirty-two thousand, three hundred sixty-eight".