190198992 has 60 divisors (see below), whose sum is σ = 521988416. Its totient is φ = 59665920.

The previous prime is 190198979. The next prime is 190198999. The reversal of 190198992 is 299891091.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190198999) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7017 + ... + 20727.

Almost surely, 2^190198992 is an apocalyptic number.

190198992 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 190198992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260994208).

190198992 is an abundant number, since it is smaller than the sum of its proper divisors (331789424).

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

190198992 is a wasteful number, since it uses less digits than its factorization.

190198992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756 (or 13733 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 48.

The square root of 190198992 is about 13791.2650616251. The cubic root of 190198992 is about 575.0903369093.

The spelling of 190198992 in words is "one hundred ninety million, one hundred ninety-eight thousand, nine hundred ninety-two".