189085392 has 120 divisors (see below), whose sum is σ = 567475584. Its totient is φ = 58620672.

The previous prime is 189085387. The next prime is 189085409. The reversal of 189085392 is 293580981.

It is a happy number.

189085392 is a `hidden beast` number, since 189 + 0 + 85 + 392 = 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, 121773 + ... + 123315.

Almost surely, 2^189085392 is an apocalyptic number.

189085392 is a gapful number since it is divisible by the number (12) 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 189085392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283737792).

189085392 is an abundant number, since it is smaller than the sum of its proper divisors (378390192).

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

189085392 is a wasteful number, since it uses less digits than its factorization.

189085392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 189085392 is about 13750.8324111670. The cubic root of 189085392 is about 573.9657698713.

The spelling of 189085392 in words is "one hundred eighty-nine million, eighty-five thousand, three hundred ninety-two".