389602500 has 240 divisors, whose sum is σ = 1337271936. Its totient is φ = 86400000.

The previous prime is 389602469. The next prime is 389602511. The reversal of 389602500 is 5206983.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2152410 + ... + 2152590.

Almost surely, 2^389602500 is an apocalyptic number.

389602500 is a gapful number since it is divisible by the number (30) 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 389602500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668635968).

389602500 is an abundant number, since it is smaller than the sum of its proper divisors (947669436).

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

389602500 is a wasteful number, since it uses less digits than its factorization.

389602500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 389602500 is about 19738.3509949540. The cubic root of 389602500 is about 730.3660514823.

The spelling of 389602500 in words is "three hundred eighty-nine million, six hundred two thousand, five hundred".