389055180 has 24 divisors (see below), whose sum is σ = 1089354672. Its totient is φ = 103748032.

The previous prime is 389055169. The next prime is 389055181. The reversal of 389055180 is 81550983.

It is not an unprimeable number, because it can be changed into a prime (389055181) 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, 3242067 + ... + 3242186.

It is an arithmetic number, because the mean of its divisors is an integer number (45389778).

Almost surely, 2^389055180 is an apocalyptic number.

389055180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389055180 is an abundant number, since it is smaller than the sum of its proper divisors (700299492).

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

389055180 is a wasteful number, since it uses less digits than its factorization.

389055180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484265 (or 6484263 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 389055180 is about 19724.4817422410. The cubic root of 389055180 is about 730.0238811228.

The spelling of 389055180 in words is "three hundred eighty-nine million, fifty-five thousand, one hundred eighty".