189074874 has 8 divisors (see below), whose sum is σ = 378149760. Its totient is φ = 63024956.

The previous prime is 189074857. The next prime is 189074923. The reversal of 189074874 is 478470981.

189074874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

189074874 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15756234 + ... + 15756245.

It is an arithmetic number, because the mean of its divisors is an integer number (47268720).

Almost surely, 2^189074874 is an apocalyptic number.

189074874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189074874 is a wasteful number, since it uses less digits than its factorization.

189074874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31512484.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 189074874 is about 13750.4499562742. The cubic root of 189074874 is about 573.9551272655.

The spelling of 189074874 in words is "one hundred eighty-nine million, seventy-four thousand, eight hundred seventy-four".