379523881 has 6 divisors (see below), whose sum is σ = 417162746. Its totient is φ = 345021600.

The previous prime is 379523869. The next prime is 379523887. The reversal of 379523881 is 188325973.

It can be written as a sum of positive squares in only one way, i.e., 250905600 + 128618281 = 15840^2 + 11341^2 .

It is not a de Polignac number, because 379523881 - 2¹¹ = 379521833 is a prime.

It is a super-2 number, since 2×379523881² = 288076752498604322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (379523887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568160 + ... + 1568401.

Almost surely, 2^379523881 is an apocalyptic number.

It is an amenable number.

379523881 is a deficient number, since it is larger than the sum of its proper divisors (37638865).

379523881 is a wasteful number, since it uses less digits than its factorization.

379523881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136583 (or 3136572 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 379523881 is about 19481.3726672429. The cubic root of 379523881 is about 724.0130087556.

The spelling of 379523881 in words is "three hundred seventy-nine million, five hundred twenty-three thousand, eight hundred eighty-one".