389574670 has 32 divisors (see below), whose sum is σ = 750264480. Its totient is φ = 145203840.

The previous prime is 389574629. The next prime is 389574671. The reversal of 389574670 is 76475983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389574671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5217 + ... + 28396.

It is an arithmetic number, because the mean of its divisors is an integer number (23445765).

Almost surely, 2^389574670 is an apocalyptic number.

389574670 is a deficient number, since it is larger than the sum of its proper divisors (360689810).

389574670 is a wasteful number, since it uses less digits than its factorization.

389574670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33700.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 389574670 is about 19737.6460095929. The cubic root of 389574670 is about 730.3486606192.

The spelling of 389574670 in words is "three hundred eighty-nine million, five hundred seventy-four thousand, six hundred seventy".