389831130 has 80 divisors (see below), whose sum is σ = 1128874824. Its totient is φ = 95955840.

The previous prime is 389831119. The next prime is 389831179. The reversal of 389831130 is 31138983.

It can be written as a sum of positive squares in 4 ways, for example, as 150479289 + 239351841 = 12267^2 + 15471^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7981 + ... + 29040.

Almost surely, 2^389831130 is an apocalyptic number.

389831130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389831130 is an abundant number, since it is smaller than the sum of its proper divisors (739043694).

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

389831130 is a wasteful number, since it uses less digits than its factorization.

389831130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37053 (or 37044 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 389831130 is about 19744.1416627819. The cubic root of 389831130 is about 730.5088901768.

The spelling of 389831130 in words is "three hundred eighty-nine million, eight hundred thirty-one thousand, one hundred thirty".