380831764 has 12 divisors (see below), whose sum is σ = 667768500. Its totient is φ = 190040768.

The previous prime is 380831753. The next prime is 380831777. The reversal of 380831764 is 467138083.

It can be written as a sum of positive squares in 2 ways, for example, as 188787600 + 192044164 = 13740^2 + 13858^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91489 + ... + 95560.

It is an arithmetic number, because the mean of its divisors is an integer number (55647375).

Almost surely, 2^380831764 is an apocalyptic number.

It is an amenable number.

380831764 is a deficient number, since it is larger than the sum of its proper divisors (286936736).

380831764 is a wasteful number, since it uses less digits than its factorization.

380831764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187562 (or 187560 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 380831764 is about 19514.9113244206. The cubic root of 380831764 is about 724.8437326303.

The spelling of 380831764 in words is "three hundred eighty million, eight hundred thirty-one thousand, seven hundred sixty-four".