389173260 has 96 divisors (see below), whose sum is σ = 1250887680. Its totient is φ = 88558848.

The previous prime is 389173201. The next prime is 389173283. The reversal of 389173260 is 62371983.

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 31 ways as a sum of consecutive naturals, for example, 98442 + ... + 102318.

It is an arithmetic number, because the mean of its divisors is an integer number (13030080).

Almost surely, 2^389173260 is an apocalyptic number.

389173260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389173260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625443840).

389173260 is an abundant number, since it is smaller than the sum of its proper divisors (861714420).

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

389173260 is a wasteful number, since it uses less digits than its factorization.

389173260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135 (or 4133 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 389173260 is about 19727.4747496987. The cubic root of 389173260 is about 730.0977288313.

The spelling of 389173260 in words is "three hundred eighty-nine million, one hundred seventy-three thousand, two hundred sixty".