190889792 has 42 divisors (see below), whose sum is σ = 383949702. Its totient is φ = 94162944.

The previous prime is 190889773. The next prime is 190889813. The reversal of 190889792 is 297988091.

It can be written as a sum of positive squares in 3 ways, for example, as 891136 + 189998656 = 944^2 + 13784^2 .

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 5 ways as a sum of consecutive naturals, for example, 602018 + ... + 602334.

Almost surely, 2^190889792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190889792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191974851).

190889792 is an abundant number, since it is smaller than the sum of its proper divisors (193059910).

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

190889792 is an frugal number, since it uses more digits than its factorization.

190889792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 53.

The square root of 190889792 is about 13816.2872002575. The cubic root of 190889792 is about 575.7857356356.

The spelling of 190889792 in words is "one hundred ninety million, eight hundred eighty-nine thousand, seven hundred ninety-two".