189597118 has 8 divisors (see below), whose sum is σ = 285453720. Its totient is φ = 94445880.

The previous prime is 189597113. The next prime is 189597127. The reversal of 189597118 is 811795981.

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 not an unprimeable number, because it can be changed into a prime (189597113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175668 + ... + 176743.

It is an arithmetic number, because the mean of its divisors is an integer number (35681715).

Almost surely, 2^189597118 is an apocalyptic number.

189597118 is a deficient number, since it is larger than the sum of its proper divisors (95856602).

189597118 is a wasteful number, since it uses less digits than its factorization.

189597118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352682.

The product of its digits is 181440, while the sum is 49.

The square root of 189597118 is about 13769.4269307041. The cubic root of 189597118 is about 574.4830822546.

The spelling of 189597118 in words is "one hundred eighty-nine million, five hundred ninety-seven thousand, one hundred eighteen".