382391064 has 128 divisors (see below), whose sum is σ = 1227052800. Its totient is φ = 109048320.

The previous prime is 382391059. The next prime is 382391101. The reversal of 382391064 is 460193283.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35659 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (9586350).

Almost surely, 2^382391064 is an apocalyptic number.

382391064 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382391064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613526400).

382391064 is an abundant number, since it is smaller than the sum of its proper divisors (844661736).

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

382391064 is a wasteful number, since it uses less digits than its factorization.

382391064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9500 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 382391064 is about 19554.8220140200. The cubic root of 382391064 is about 725.8316664571.

The spelling of 382391064 in words is "three hundred eighty-two million, three hundred ninety-one thousand, sixty-four".