389225880 has 96 divisors (see below), whose sum is σ = 1339416000. Its totient is φ = 97686528.

The previous prime is 389225869. The next prime is 389225911. The reversal of 389225880 is 88522983.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25680 + ... + 37919.

It is an arithmetic number, because the mean of its divisors is an integer number (13952250).

Almost surely, 2^389225880 is an apocalyptic number.

389225880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389225880 is an abundant number, since it is smaller than the sum of its proper divisors (950190120).

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

389225880 is a wasteful number, since it uses less digits than its factorization.

389225880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63633 (or 63626 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 389225880 is about 19728.8083775985. The cubic root of 389225880 is about 730.1306327801.

The spelling of 389225880 in words is "three hundred eighty-nine million, two hundred twenty-five thousand, eight hundred eighty".