189080955 has 36 divisors (see below), whose sum is σ = 381253392. Its totient is φ = 86436000.

The previous prime is 189080929. The next prime is 189080959. The reversal of 189080955 is 559080981.

It is not a de Polignac number, because 189080955 - 2⁵ = 189080923 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 189080955.

It is not an unprimeable number, because it can be changed into a prime (189080959) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40671 + ... + 45080.

It is an arithmetic number, because the mean of its divisors is an integer number (10590372).

Almost surely, 2^189080955 is an apocalyptic number.

189080955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189080955 is an abundant number, since it is smaller than the sum of its proper divisors (192172437).

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

189080955 is a wasteful number, since it uses less digits than its factorization.

189080955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85776 (or 85766 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 189080955 is about 13750.6710745331. The cubic root of 189080955 is about 573.9612803547.

The spelling of 189080955 in words is "one hundred eighty-nine million, eighty thousand, nine hundred fifty-five".