189316798 has 32 divisors (see below), whose sum is σ = 327363840. Its totient is φ = 81207360.

The previous prime is 189316793. The next prime is 189316801. The reversal of 189316798 is 897613981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189316793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130111 + ... + 131557.

It is an arithmetic number, because the mean of its divisors is an integer number (10230120).

Almost surely, 2^189316798 is an apocalyptic number.

189316798 is a deficient number, since it is larger than the sum of its proper divisors (138047042).

189316798 is a wasteful number, since it uses less digits than its factorization.

189316798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its digits is 653184, while the sum is 52.

The square root of 189316798 is about 13759.2440926092. The cubic root of 189316798 is about 574.1998175261.

The spelling of 189316798 in words is "one hundred eighty-nine million, three hundred sixteen thousand, seven hundred ninety-eight".