189875494 has 8 divisors (see below), whose sum is σ = 285055560. Its totient is φ = 94856976.

The previous prime is 189875489. The next prime is 189875501. The reversal of 189875494 is 494578981.

It is a happy number.

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

It is a congruent 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, 37404 + ... + 42175.

It is an arithmetic number, because the mean of its divisors is an integer number (35631945).

Almost surely, 2^189875494 is an apocalyptic number.

189875494 is a deficient number, since it is larger than the sum of its proper divisors (95180066).

189875494 is a wasteful number, since it uses less digits than its factorization.

189875494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80774.

The product of its digits is 2903040, while the sum is 55.

The square root of 189875494 is about 13779.5317046698. The cubic root of 189875494 is about 574.7641063885.

The spelling of 189875494 in words is "one hundred eighty-nine million, eight hundred seventy-five thousand, four hundred ninety-four".