389117084 has 12 divisors (see below), whose sum is σ = 702921408. Its totient is φ = 188282400.

The previous prime is 389117051. The next prime is 389117117. The reversal of 389117084 is 480711983.

It is an interprime number because it is at equal distance from previous prime (389117051) and next prime (389117117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568897 + ... + 1569144.

It is an arithmetic number, because the mean of its divisors is an integer number (58576784).

Almost surely, 2^389117084 is an apocalyptic number.

It is an amenable number.

389117084 is a deficient number, since it is larger than the sum of its proper divisors (313804324).

389117084 is a wasteful number, since it uses less digits than its factorization.

389117084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138076 (or 3138074 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 389117084 is about 19726.0508972273. The cubic root of 389117084 is about 730.0625979973.

The spelling of 389117084 in words is "three hundred eighty-nine million, one hundred seventeen thousand, eighty-four".