189794088 has 96 divisors (see below), whose sum is σ = 573899040. Its totient is φ = 56165760.

The previous prime is 189794071. The next prime is 189794093. The reversal of 189794088 is 880497981.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31270 + ... + 36842.

It is an arithmetic number, because the mean of its divisors is an integer number (5978115).

Almost surely, 2^189794088 is an apocalyptic number.

189794088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189794088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286949520).

189794088 is an abundant number, since it is smaller than the sum of its proper divisors (384104952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189794088 is a wasteful number, since it uses less digits than its factorization.

189794088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 189794088 is about 13776.5775140272. The cubic root of 189794088 is about 574.6819544230.

The spelling of 189794088 in words is "one hundred eighty-nine million, seven hundred ninety-four thousand, eighty-eight".