389891600 has 120 divisors (see below), whose sum is σ = 1133641728. Its totient is φ = 125798400.

The previous prime is 389891563. The next prime is 389891611. The reversal of 389891600 is 6198983.

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 23 ways as a sum of consecutive naturals, for example, 43505 + ... + 51695.

Almost surely, 2^389891600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389891600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566820864).

389891600 is an abundant number, since it is smaller than the sum of its proper divisors (743750128).

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

389891600 is a wasteful number, since it uses less digits than its factorization.

389891600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 389891600 is about 19745.6729437110. The cubic root of 389891600 is about 730.5466600258.

The spelling of 389891600 in words is "three hundred eighty-nine million, eight hundred ninety-one thousand, six hundred".