389099964 has 48 divisors (see below), whose sum is σ = 1003000320. Its totient is φ = 116413440.

The previous prime is 389099959. The next prime is 389099969. The reversal of 389099964 is 469990983.

It is an interprime number because it is at equal distance from previous prime (389099959) and next prime (389099969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389099969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8229 + ... + 29084.

It is an arithmetic number, because the mean of its divisors is an integer number (20895840).

Almost surely, 2^389099964 is an apocalyptic number.

It is an amenable number.

389099964 is an abundant number, since it is smaller than the sum of its proper divisors (613900356).

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

389099964 is a wasteful number, since it uses less digits than its factorization.

389099964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37410 (or 37408 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 389099964 is about 19725.6169485266. The cubic root of 389099964 is about 730.0518909757.

The spelling of 389099964 in words is "three hundred eighty-nine million, ninety-nine thousand, nine hundred sixty-four".