379923681 has 8 divisors (see below), whose sum is σ = 507226720. Its totient is φ = 252951552.

The previous prime is 379923679. The next prime is 379923697. The reversal of 379923681 is 186329973.

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

It is not a de Polignac number, because 379923681 - 2¹ = 379923679 is a prime.

It is a super-2 number, since 2×379923681² = 288684006769179522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 379923681.

It is not an unprimeable number, because it can be changed into a prime (379923611) 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, 80035 + ... + 84648.

It is an arithmetic number, because the mean of its divisors is an integer number (63403340).

Almost surely, 2^379923681 is an apocalyptic number.

It is an amenable number.

379923681 is a deficient number, since it is larger than the sum of its proper divisors (127303039).

379923681 is a wasteful number, since it uses less digits than its factorization.

379923681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165455.

The product of its digits is 489888, while the sum is 48.

The square root of 379923681 is about 19491.6310502739. The cubic root of 379923681 is about 724.2671507066.

The spelling of 379923681 in words is "three hundred seventy-nine million, nine hundred twenty-three thousand, six hundred eighty-one".