389601456 has 80 divisors (see below), whose sum is σ = 1028505600. Its totient is φ = 127056384.

The previous prime is 389601437. The next prime is 389601469. The reversal of 389601456 is 654106983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481180 + ... + 481988.

It is an arithmetic number, because the mean of its divisors is an integer number (12856320).

Almost surely, 2^389601456 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 389601456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514252800).

389601456 is an abundant number, since it is smaller than the sum of its proper divisors (638904144).

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

389601456 is a wasteful number, since it uses less digits than its factorization.

389601456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 389601456 is about 19738.3245489580. The cubic root of 389601456 is about 730.3653991056.

The spelling of 389601456 in words is "three hundred eighty-nine million, six hundred one thousand, four hundred fifty-six".