389744472 has 64 divisors (see below), whose sum is σ = 1054126080. Its totient is φ = 119371392.

The previous prime is 389744461. The next prime is 389744513. The reversal of 389744472 is 274447983.

It is a congruent number.

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, 68073 + ... + 73575.

It is an arithmetic number, because the mean of its divisors is an integer number (16470720).

Almost surely, 2^389744472 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 389744472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527063040).

389744472 is an abundant number, since it is smaller than the sum of its proper divisors (664381608).

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

389744472 is a wasteful number, since it uses less digits than its factorization.

389744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752 (or 5748 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 389744472 is about 19741.9470164419. The cubic root of 389744472 is about 730.4547563687.

The spelling of 389744472 in words is "three hundred eighty-nine million, seven hundred forty-four thousand, four hundred seventy-two".