380306172 has 24 divisors (see below), whose sum is σ = 888832000. Its totient is φ = 126561456.

The previous prime is 380306149. The next prime is 380306191. The reversal of 380306172 is 271603083.

It is a super-2 number, since 2×380306172² = 289265568922587168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18172 + ... + 33027.

Almost surely, 2^380306172 is an apocalyptic number.

It is an amenable number.

380306172 is an abundant number, since it is smaller than the sum of its proper divisors (508525828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380306172 is a wasteful number, since it uses less digits than its factorization.

380306172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51825 (or 51823 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 380306172 is about 19501.4402545043. The cubic root of 380306172 is about 724.5101229724.

The spelling of 380306172 in words is "three hundred eighty million, three hundred six thousand, one hundred seventy-two".