389318070 has 32 divisors (see below), whose sum is σ = 959619168. Its totient is φ = 101011968.

The previous prime is 389318053. The next prime is 389318093. The reversal of 389318070 is 70813983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174259 + ... + 176478.

It is an arithmetic number, because the mean of its divisors is an integer number (29988099).

Almost surely, 2^389318070 is an apocalyptic number.

389318070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389318070 is an abundant number, since it is smaller than the sum of its proper divisors (570301098).

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

389318070 is a wasteful number, since it uses less digits than its factorization.

389318070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350784.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 389318070 is about 19731.1446702922. The cubic root of 389318070 is about 730.1882732000.

The spelling of 389318070 in words is "three hundred eighty-nine million, three hundred eighteen thousand, seventy".