389195088 has 80 divisors (see below), whose sum is σ = 1061598720. Its totient is φ = 122525568.

The previous prime is 389195077. The next prime is 389195099. The reversal of 389195088 is 880591983.

It is an interprime number because it is at equal distance from previous prime (389195077) and next prime (389195099).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 389195088.

It is a congruent number.

It is an unprimeable number.

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, 534981 + ... + 535707.

It is an arithmetic number, because the mean of its divisors is an integer number (13269984).

Almost surely, 2^389195088 is an apocalyptic number.

389195088 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389195088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530799360).

389195088 is an abundant number, since it is smaller than the sum of its proper divisors (672403632).

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

389195088 is a wasteful number, since it uses less digits than its factorization.

389195088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 389195088 is about 19728.0279805154. The cubic root of 389195088 is about 730.1113785146. Note that the first 3 decimals are identical.

The spelling of 389195088 in words is "three hundred eighty-nine million, one hundred ninety-five thousand, eighty-eight".