382889916 has 30 divisors (see below), whose sum is σ = 1000950720. Its totient is φ = 127629864.

The previous prime is 382889911. The next prime is 382889917. The reversal of 382889916 is 619988283.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382889911) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 590556 + ... + 591203.

It is an arithmetic number, because the mean of its divisors is an integer number (33365024).

Almost surely, 2^382889916 is an apocalyptic number.

382889916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

382889916 is an abundant number, since it is smaller than the sum of its proper divisors (618060804).

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

382889916 is a wasteful number, since it uses less digits than its factorization.

382889916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181775 (or 1181764 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 382889916 is about 19567.5730738383. The cubic root of 382889916 is about 726.1471595685.

The spelling of 382889916 in words is "three hundred eighty-two million, eight hundred eighty-nine thousand, nine hundred sixteen".