380676631 has 4 divisors (see below), whose sum is σ = 403069392. Its totient is φ = 358283872.

The previous prime is 380676629. The next prime is 380676679. The reversal of 380676631 is 136676083.

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 380676631 - 2¹ = 380676629 is a prime.

It is a super-2 number, since 2×380676631² = 289829394779020322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380677631) 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, 11196355 + ... + 11196388.

It is an arithmetic number, because the mean of its divisors is an integer number (100767348).

Almost surely, 2^380676631 is an apocalyptic number.

380676631 is a deficient number, since it is larger than the sum of its proper divisors (22392761).

380676631 is a wasteful number, since it uses less digits than its factorization.

380676631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392760.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 380676631 is about 19510.9361897373. The cubic root of 380676631 is about 724.7452968157.

The spelling of 380676631 in words is "three hundred eighty million, six hundred seventy-six thousand, six hundred thirty-one".