189860674 has 32 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 90921600.

The previous prime is 189860633. The next prime is 189860687. The reversal of 189860674 is 476068981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048864 + ... + 1049044.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 2^189860674 is an apocalyptic number.

189860674 is a deficient number, since it is larger than the sum of its proper divisors (107338046).

189860674 is a wasteful number, since it uses less digits than its factorization.

189860674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 189860674 is about 13778.9939400524. The cubic root of 189860674 is about 574.7491523336.

The spelling of 189860674 in words is "one hundred eighty-nine million, eight hundred sixty thousand, six hundred seventy-four".