389170944 has 108 divisors (see below), whose sum is σ = 1143605736. Its totient is φ = 127236096.

The previous prime is 389170927. The next prime is 389170961. The reversal of 389170944 is 449071983.

It is an interprime number because it is at equal distance from previous prime (389170927) and next prime (389170961).

It is a super-2 number, since 2×389170944² = 302908047307702272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 389170944.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 120519 + ... + 123705.

It is an arithmetic number, because the mean of its divisors is an integer number (10588942).

Almost surely, 2^389170944 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 389170944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571802868).

389170944 is an abundant number, since it is smaller than the sum of its proper divisors (754434792).

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

389170944 is a wasteful number, since it uses less digits than its factorization.

389170944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 389170944 is about 19727.4160497517. The cubic root of 389170944 is about 730.0962805391.

The spelling of 389170944 in words is "three hundred eighty-nine million, one hundred seventy thousand, nine hundred forty-four".