190068892 has 18 divisors (see below), whose sum is σ = 360176208. Its totient is φ = 87723792.

The previous prime is 190068797. The next prime is 190068899. The reversal of 190068892 is 298860091.

It is a happy number.

It is a super-2 number, since 2×190068892² = 72252367412215328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190068899) 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 5 ways as a sum of consecutive naturals, for example, 139908 + ... + 141259.

Almost surely, 2^190068892 is an apocalyptic number.

It is an amenable number.

190068892 is a deficient number, since it is larger than the sum of its proper divisors (170107316).

190068892 is a wasteful number, since it uses less digits than its factorization.

190068892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281197 (or 281182 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 190068892 is about 13786.5475010969. The cubic root of 190068892 is about 574.9591824838.

The spelling of 190068892 in words is "one hundred ninety million, sixty-eight thousand, eight hundred ninety-two".