190392 has 16 divisors (see below), whose sum is σ = 476040. Its totient is φ = 63456.

The previous prime is 190391. The next prime is 190403. The reversal of 190392 is 293091.

It is a happy number.

It is a super-2 number, since 2×190392² = 72498227328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 7933 = 190392 / (1 + 9 + 0 + 3 + 9 + 2).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3943 + ... + 3990.

2¹⁹⁰³⁹² is an apocalyptic number.

190392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190392 is an abundant number, since it is smaller than the sum of its proper divisors (285648).

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

190392 is a wasteful number, since it uses less digits than its factorization.

190392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942 (or 7938 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 190392 is about 436.3393175042. The cubic root of 190392 is about 57.5284799054.

The spelling of 190392 in words is "one hundred ninety thousand, three hundred ninety-two".