189255849 has 16 divisors (see below), whose sum is σ = 267497280. Its totient is φ = 118609920.

The previous prime is 189255839. The next prime is 189255901. The reversal of 189255849 is 948552981.

189255849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189255849 - 2⁷ = 189255721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189255839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58137 + ... + 61305.

It is an arithmetic number, because the mean of its divisors is an integer number (16718580).

Almost surely, 2^189255849 is an apocalyptic number.

It is an amenable number.

189255849 is a deficient number, since it is larger than the sum of its proper divisors (78241431).

189255849 is a wasteful number, since it uses less digits than its factorization.

189255849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360.

The product of its digits is 1036800, while the sum is 51.

The square root of 189255849 is about 13757.0290760760. The cubic root of 189255849 is about 574.1381912619.

The spelling of 189255849 in words is "one hundred eighty-nine million, two hundred fifty-five thousand, eight hundred forty-nine".