189319798 has 8 divisors (see below), whose sum is σ = 290584008. Its totient is φ = 92458464.

The previous prime is 189319747. The next prime is 189319799. The reversal of 189319798 is 897913981.

189319798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (189319799) 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, 1100611 + ... + 1100782.

It is an arithmetic number, because the mean of its divisors is an integer number (36323001).

Almost surely, 2^189319798 is an apocalyptic number.

189319798 is a deficient number, since it is larger than the sum of its proper divisors (101264210).

189319798 is a wasteful number, since it uses less digits than its factorization.

189319798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201438.

The product of its digits is 979776, while the sum is 55.

The square root of 189319798 is about 13759.3531097941. The cubic root of 189319798 is about 574.2028505204.

The spelling of 189319798 in words is "one hundred eighty-nine million, three hundred nineteen thousand, seven hundred ninety-eight".