389570832 has 120 divisors (see below), whose sum is σ = 1311652160. Its totient is φ = 105442560.

The previous prime is 389570821. The next prime is 389570873. The reversal of 389570832 is 238075983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8982 + ... + 29322.

Almost surely, 2^389570832 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 389570832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655826080).

389570832 is an abundant number, since it is smaller than the sum of its proper divisors (922081328).

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

389570832 is a wasteful number, since it uses less digits than its factorization.

389570832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20381 (or 20372 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 389570832 is about 19737.5487839802. The cubic root of 389570832 is about 730.3462622024.

The spelling of 389570832 in words is "three hundred eighty-nine million, five hundred seventy thousand, eight hundred thirty-two".