383879331 has 20 divisors (see below), whose sum is σ = 625582584. Its totient is φ = 232653600.

The previous prime is 383879281. The next prime is 383879347. The reversal of 383879331 is 133978383.

It is not a de Polignac number, because 383879331 - 2⁶ = 383879267 is a prime.

It is a super-2 number, since 2×383879331² = 294726681538015122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (383878331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214530 + ... + 216311.

Almost surely, 2^383879331 is an apocalyptic number.

383879331 is a deficient number, since it is larger than the sum of its proper divisors (241703253).

383879331 is a wasteful number, since it uses less digits than its factorization.

383879331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430864 (or 430855 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 383879331 is about 19592.8387682847. The cubic root of 383879331 is about 726.7720936965.

The spelling of 383879331 in words is "three hundred eighty-three million, eight hundred seventy-nine thousand, three hundred thirty-one".