382820540 has 12 divisors (see below), whose sum is σ = 803923176. Its totient is φ = 153128208.

The previous prime is 382820509. The next prime is 382820573. The reversal of 382820540 is 45028283.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 382820497 and 382820506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9570494 + ... + 9570533.

It is an arithmetic number, because the mean of its divisors is an integer number (66993598).

Almost surely, 2^382820540 is an apocalyptic number.

It is an amenable number.

382820540 is an abundant number, since it is smaller than the sum of its proper divisors (421102636).

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

382820540 is a wasteful number, since it uses less digits than its factorization.

382820540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141036 (or 19141034 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 382820540 is about 19565.8002647477. The cubic root of 382820540 is about 726.1032999401.

The spelling of 382820540 in words is "three hundred eighty-two million, eight hundred twenty thousand, five hundred forty".