190789892 has 12 divisors (see below), whose sum is σ = 342026076. Its totient is φ = 93068160.

The previous prime is 190789889. The next prime is 190789919. The reversal of 190789892 is 298987091.

190789892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29855296 + 160934596 = 5464^2 + 12686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581513 + ... + 581840.

It is an arithmetic number, because the mean of its divisors is an integer number (28502173).

Almost surely, 2^190789892 is an apocalyptic number.

It is an amenable number.

190789892 is a deficient number, since it is larger than the sum of its proper divisors (151236184).

190789892 is a wasteful number, since it uses less digits than its factorization.

190789892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163398 (or 1163396 counting only the distinct ones).

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

The square root of 190789892 is about 13812.6714288004. The cubic root of 190789892 is about 575.6852744714.

The spelling of 190789892 in words is "one hundred ninety million, seven hundred eighty-nine thousand, eight hundred ninety-two".