380931630 has 16 divisors (see below), whose sum is σ = 914235984. Its totient is φ = 101581760.

The previous prime is 380931623. The next prime is 380931643. The reversal of 380931630 is 36139083.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 380931591 and 380931600.

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, 6348831 + ... + 6348890.

It is an arithmetic number, because the mean of its divisors is an integer number (57139749).

Almost surely, 2^380931630 is an apocalyptic number.

380931630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

380931630 is an abundant number, since it is smaller than the sum of its proper divisors (533304354).

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

380931630 is a wasteful number, since it uses less digits than its factorization.

380931630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697731.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 380931630 is about 19517.4698667630. The cubic root of 380931630 is about 724.9070859922.

The spelling of 380931630 in words is "three hundred eighty million, nine hundred thirty-one thousand, six hundred thirty".