190992 has 40 divisors (see below), whose sum is σ = 517824. Its totient is φ = 60544.

The previous prime is 190979. The next prime is 190997. The reversal of 190992 is 299091.

It is not an unprimeable number, because it can be changed into a prime (190997) by changing a digit.

190992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 1190.

2¹⁹⁰⁹⁹² is an apocalyptic number.

190992 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 190992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258912).

190992 is an abundant number, since it is smaller than the sum of its proper divisors (326832).

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

190992 is a wasteful number, since it uses less digits than its factorization.

190992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 190992 is about 437.0263149972. The cubic root of 190992 is about 57.5888481497.

The spelling of 190992 in words is "one hundred ninety thousand, nine hundred ninety-two".