389811360 has 384 divisors, whose sum is σ = 1421328384. Its totient is φ = 89210880.

The previous prime is 389811319. The next prime is 389811439. The reversal of 389811360 is 63118983.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5818047 + ... + 5818113.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^389811360 is an apocalyptic number.

389811360 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 389811360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710664192).

389811360 is an abundant number, since it is smaller than the sum of its proper divisors (1031517024).

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

389811360 is a wasteful number, since it uses less digits than its factorization.

389811360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 389811360 is about 19743.6410015985. The cubic root of 389811360 is about 730.4965408937.

The spelling of 389811360 in words is "three hundred eighty-nine million, eight hundred eleven thousand, three hundred sixty".