382520664 has 64 divisors (see below), whose sum is σ = 1073570400. Its totient is φ = 126185472.

The previous prime is 382520653. The next prime is 382520669. The reversal of 382520664 is 466025283.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382520669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11824 + ... + 30080.

Almost surely, 2^382520664 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 382520664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536785200).

382520664 is an abundant number, since it is smaller than the sum of its proper divisors (691049736).

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

382520664 is a wasteful number, since it uses less digits than its factorization.

382520664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18369 (or 18359 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 382520664 is about 19558.1354939575. The cubic root of 382520664 is about 725.9136568309.

The spelling of 382520664 in words is "three hundred eighty-two million, five hundred twenty thousand, six hundred sixty-four".