189325494 has 48 divisors (see below), whose sum is σ = 432506880. Its totient is φ = 59765040.

The previous prime is 189325469. The next prime is 189325529. The reversal of 189325494 is 494523981.

189325494 is a `hidden beast` number, since 18 + 93 + 2 + 549 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22617 + ... + 29835.

It is an arithmetic number, because the mean of its divisors is an integer number (9010560).

Almost surely, 2^189325494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189325494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216253440).

189325494 is an abundant number, since it is smaller than the sum of its proper divisors (243181386).

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

189325494 is a wasteful number, since it uses less digits than its factorization.

189325494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305 (or 7302 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 189325494 is about 13759.5600947123. The cubic root of 189325494 is about 574.2086090776.

The spelling of 189325494 in words is "one hundred eighty-nine million, three hundred twenty-five thousand, four hundred ninety-four".