389673120 has 48 divisors (see below), whose sum is σ = 1227471840. Its totient is φ = 103912704.

The previous prime is 389673091. The next prime is 389673127. The reversal of 389673120 is 21376983.

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

It is not an unprimeable number, because it can be changed into a prime (389673127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405430 + ... + 406389.

It is an arithmetic number, because the mean of its divisors is an integer number (25572330).

Almost surely, 2^389673120 is an apocalyptic number.

389673120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389673120 is an abundant number, since it is smaller than the sum of its proper divisors (837798720).

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

389673120 is a wasteful number, since it uses less digits than its factorization.

389673120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811837 (or 811829 counting only the distinct ones).

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

The square root of 389673120 is about 19740.1398171340. The cubic root of 389673120 is about 730.4101779398.

The spelling of 389673120 in words is "three hundred eighty-nine million, six hundred seventy-three thousand, one hundred twenty".