380769931 has 4 divisors (see below), whose sum is σ = 393052864. Its totient is φ = 368487000.

The previous prime is 380769929. The next prime is 380769953. The reversal of 380769931 is 139967083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380769931 - 2¹ = 380769929 is a prime.

It is a super-2 number, since 2×380769931² = 289971480707489522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380769901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6141420 + ... + 6141481.

It is an arithmetic number, because the mean of its divisors is an integer number (98263216).

Almost surely, 2^380769931 is an apocalyptic number.

380769931 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

380769931 is a deficient number, since it is larger than the sum of its proper divisors (12282933).

380769931 is a wasteful number, since it uses less digits than its factorization.

380769931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12282932.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 380769931 is about 19513.3270100206. The cubic root of 380769931 is about 724.8045012315.

The spelling of 380769931 in words is "three hundred eighty million, seven hundred sixty-nine thousand, nine hundred thirty-one".