389884544 has 32 divisors (see below), whose sum is σ = 887685600. Its totient is φ = 167092992.

The previous prime is 389884519. The next prime is 389884549. The reversal of 389884544 is 445488983.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (389884549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216674 + ... + 218465.

It is an arithmetic number, because the mean of its divisors is an integer number (27740175).

Almost surely, 2^389884544 is an apocalyptic number.

It is an amenable number.

389884544 is an abundant number, since it is smaller than the sum of its proper divisors (497801056).

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

389884544 is an equidigital number, since it uses as much as digits as its factorization.

389884544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435160 (or 435148 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The square root of 389884544 is about 19745.4942708457. The cubic root of 389884544 is about 730.5422530160.

The spelling of 389884544 in words is "three hundred eighty-nine million, eight hundred eighty-four thousand, five hundred forty-four".