190881792 has 112 divisors (see below), whose sum is σ = 566196480. Its totient is φ = 63553536.

The previous prime is 190881791. The next prime is 190881811. The reversal of 190881792 is 297188091.

It is not an unprimeable number, because it can be changed into a prime (190881791) by changing a digit.

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, 220753 + ... + 221615.

Almost surely, 2^190881792 is an apocalyptic number.

190881792 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 190881792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283098240).

190881792 is an abundant number, since it is smaller than the sum of its proper divisors (375314688).

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

190881792 is an frugal number, since it uses more digits than its factorization.

190881792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 190881792 is about 13815.9976838446. The cubic root of 190881792 is about 575.7776919887. Note that the first 3 decimals are identical.

The spelling of 190881792 in words is "one hundred ninety million, eight hundred eighty-one thousand, seven hundred ninety-two".