389543424 has 40 divisors (see below), whose sum is σ = 1037772120. Its totient is φ = 129847296.

The previous prime is 389543369. The next prime is 389543443. The reversal of 389543424 is 424345983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125269 + ... + 128340.

It is an arithmetic number, because the mean of its divisors is an integer number (25944303).

Almost surely, 2^389543424 is an apocalyptic number.

It is an amenable number.

389543424 is an abundant number, since it is smaller than the sum of its proper divisors (648228696).

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

389543424 is an equidigital number, since it uses as much as digits as its factorization.

389543424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253630 (or 253614 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 389543424 is about 19736.8544606277. The cubic root of 389543424 is about 730.3291341235.

The spelling of 389543424 in words is "three hundred eighty-nine million, five hundred forty-three thousand, four hundred twenty-four".