382921 has 8 divisors (see below), whose sum is σ = 477504. Its totient is φ = 298320.

The previous prime is 382919. The next prime is 382933. The reversal of 382921 is 129283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 382921 - 2¹ = 382919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (59688).

2³⁸²⁹²¹ is an apocalyptic number.

It is an amenable number.

382921 is a deficient number, since it is larger than the sum of its proper divisors (94583).

382921 is a wasteful number, since it uses less digits than its factorization.

382921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991.

The product of its digits is 864, while the sum is 25.

The square root of 382921 is about 618.8061085671. The cubic root of 382921 is about 72.6166809209.

The spelling of 382921 in words is "three hundred eighty-two thousand, nine hundred twenty-one".