379879521 has 48 divisors (see below), whose sum is σ = 624015360. Its totient is φ = 200806560.

The previous prime is 379879499. The next prime is 379879541. The reversal of 379879521 is 125978973.

It is not a de Polignac number, because 379879521 - 2⁶ = 379879457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379879541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 881176 + ... + 881606.

It is an arithmetic number, because the mean of its divisors is an integer number (13000320).

Almost surely, 2^379879521 is an apocalyptic number.

It is an amenable number.

379879521 is a deficient number, since it is larger than the sum of its proper divisors (244135839).

379879521 is a wasteful number, since it uses less digits than its factorization.

379879521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 507 counting only the distinct ones).

The product of its digits is 952560, while the sum is 51.

The square root of 379879521 is about 19490.4982234934. The cubic root of 379879521 is about 724.2390881612.

The spelling of 379879521 in words is "three hundred seventy-nine million, eight hundred seventy-nine thousand, five hundred twenty-one".