389369680 has 120 divisors (see below), whose sum is σ = 1068681600. Its totient is φ = 131523840.

The previous prime is 389369653. The next prime is 389369693. The reversal of 389369680 is 86963983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277621 + ... + 279019.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^389369680 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 389369680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534340800).

389369680 is an abundant number, since it is smaller than the sum of its proper divisors (679311920).

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

389369680 is a wasteful number, since it uses less digits than its factorization.

389369680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 389369680 is about 19732.4524578168. The cubic root of 389369680 is about 730.2205376084.

The spelling of 389369680 in words is "three hundred eighty-nine million, three hundred sixty-nine thousand, six hundred eighty".