382909240 has 32 divisors (see below), whose sum is σ = 984624480. Its totient is φ = 131283072.

The previous prime is 382909231. The next prime is 382909271. The reversal of 382909240 is 42909283.

It is a self number, because there is not a number n which added to its sum of digits gives 382909240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683487 + ... + 684046.

It is an arithmetic number, because the mean of its divisors is an integer number (30769515).

Almost surely, 2^382909240 is an apocalyptic number.

It is an amenable number.

382909240 is an abundant number, since it is smaller than the sum of its proper divisors (601715240).

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

382909240 is a wasteful number, since it uses less digits than its factorization.

382909240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367551 (or 1367547 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 382909240 is about 19568.0668437125. The cubic root of 382909240 is about 726.1593752917.

The spelling of 382909240 in words is "three hundred eighty-two million, nine hundred nine thousand, two hundred forty".