389232970 has 64 divisors (see below), whose sum is σ = 839404800. Its totient is φ = 129802176.

The previous prime is 389232953. The next prime is 389232973. The reversal of 389232970 is 79232983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (389232973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125377 + ... + 128443.

It is an arithmetic number, because the mean of its divisors is an integer number (13115700).

Almost surely, 2^389232970 is an apocalyptic number.

389232970 is an abundant number, since it is smaller than the sum of its proper divisors (450171830).

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

389232970 is a wasteful number, since it uses less digits than its factorization.

389232970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3118 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 389232970 is about 19728.9880632535. The cubic root of 389232970 is about 730.1350660197.

The spelling of 389232970 in words is "three hundred eighty-nine million, two hundred thirty-two thousand, nine hundred seventy".