389213472 has 48 divisors (see below), whose sum is σ = 1023496992. Its totient is φ = 129507840.

The previous prime is 389213459. The next prime is 389213507. The reversal of 389213472 is 274312983.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 389213472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55947 + ... + 62517.

It is an arithmetic number, because the mean of its divisors is an integer number (21322854).

Almost surely, 2^389213472 is an apocalyptic number.

389213472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389213472 is an abundant number, since it is smaller than the sum of its proper divisors (634283520).

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

389213472 is a wasteful number, since it uses less digits than its factorization.

389213472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201 (or 7193 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 389213472 is about 19728.4939110921. The cubic root of 389213472 is about 730.1228741686.

The spelling of 389213472 in words is "three hundred eighty-nine million, two hundred thirteen thousand, four hundred seventy-two".