189849160 has 16 divisors (see below), whose sum is σ = 427160700. Its totient is φ = 75939648.

The previous prime is 189849151. The next prime is 189849161. The reversal of 189849160 is 61948981.

It can be written as a sum of positive squares in 2 ways, for example, as 189833284 + 15876 = 13778^2 + 126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189849160.

It is not an unprimeable number, because it can be changed into a prime (189849161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373075 + ... + 2373154.

Almost surely, 2^189849160 is an apocalyptic number.

189849160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189849160 is an abundant number, since it is smaller than the sum of its proper divisors (237311540).

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

189849160 is a wasteful number, since it uses less digits than its factorization.

189849160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746240 (or 4746236 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 189849160 is about 13778.5761238235. The cubic root of 189849160 is about 574.7375336461.

The spelling of 189849160 in words is "one hundred eighty-nine million, eight hundred forty-nine thousand, one hundred sixty".