189427088 has 20 divisors (see below), whose sum is σ = 373941468. Its totient is φ = 92926080.

The previous prime is 189427033. The next prime is 189427099. The reversal of 189427088 is 880724981.

It can be written as a sum of positive squares in 2 ways, for example, as 120736144 + 68690944 = 10988^2 + 8288^2 .

It is an unprimeable number.

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, 110843 + ... + 112538.

Almost surely, 2^189427088 is an apocalyptic number.

It is an amenable number.

189427088 is a deficient number, since it is larger than the sum of its proper divisors (184514380).

189427088 is a wasteful number, since it uses less digits than its factorization.

189427088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223442 (or 223436 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 189427088 is about 13763.2513600530. The cubic root of 189427088 is about 574.3112994526.

It can be divided in two parts, 1894 and 27088, that added together give a palindrome (28982).

The spelling of 189427088 in words is "one hundred eighty-nine million, four hundred twenty-seven thousand, eighty-eight".