189975358 has 8 divisors (see below), whose sum is σ = 285780600. Its totient is φ = 94715160.

The previous prime is 189975343. The next prime is 189975361. The reversal of 189975358 is 853579981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189975299 and 189975308.

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, 135388 + ... + 136783.

It is an arithmetic number, because the mean of its divisors is an integer number (35722575).

Almost surely, 2^189975358 is an apocalyptic number.

189975358 is a deficient number, since it is larger than the sum of its proper divisors (95805242).

189975358 is a wasteful number, since it uses less digits than its factorization.

189975358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272522.

The product of its digits is 2721600, while the sum is 55.

The square root of 189975358 is about 13783.1548638184. The cubic root of 189975358 is about 574.8648534302.

The spelling of 189975358 in words is "one hundred eighty-nine million, nine hundred seventy-five thousand, three hundred fifty-eight".