189356998 has 16 divisors (see below), whose sum is σ = 288061200. Its totient is φ = 93344256.

The previous prime is 189356987. The next prime is 189357011. The reversal of 189356998 is 899653981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53178 + ... + 56626.

It is an arithmetic number, because the mean of its divisors is an integer number (18003825).

Almost surely, 2^189356998 is an apocalyptic number.

189356998 is a deficient number, since it is larger than the sum of its proper divisors (98704202).

189356998 is a wasteful number, since it uses less digits than its factorization.

189356998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its digits is 4199040, while the sum is 58.

The square root of 189356998 is about 13760.7048511332. The cubic root of 189356998 is about 574.2404569891.

The spelling of 189356998 in words is "one hundred eighty-nine million, three hundred fifty-six thousand, nine hundred ninety-eight".