189074589 has 16 divisors (see below), whose sum is σ = 275822400. Its totient is φ = 114255360.

The previous prime is 189074539. The next prime is 189074597. The reversal of 189074589 is 985470981.

It is not a de Polignac number, because 189074589 - 2¹² = 189070493 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189074539) 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 15 ways as a sum of consecutive naturals, for example, 3309 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (17238900).

Almost surely, 2^189074589 is an apocalyptic number.

It is an amenable number.

189074589 is a deficient number, since it is larger than the sum of its proper divisors (86747811).

189074589 is a wasteful number, since it uses less digits than its factorization.

189074589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 189074589 is about 13750.4395929730. The cubic root of 189074589 is about 573.9548388836.

The spelling of 189074589 in words is "one hundred eighty-nine million, seventy-four thousand, five hundred eighty-nine".