992811892 has 6 divisors (see below), whose sum is σ = 1737420818. Its totient is φ = 496405944.

The previous prime is 992811889. The next prime is 992811893. The reversal of 992811892 is 298118299.

It can be written as a sum of positive squares in only one way, i.e., 990109156 + 2702736 = 31466^2 + 1644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992811893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124101483 + ... + 124101490.

Almost surely, 2^992811892 is an apocalyptic number.

It is an amenable number.

992811892 is a deficient number, since it is larger than the sum of its proper divisors (744608926).

992811892 is a wasteful number, since it uses less digits than its factorization.

992811892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248202977 (or 248202975 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The square root of 992811892 is about 31508.9176583392. The cubic root of 992811892 is about 997.5981999750.

The spelling of 992811892 in words is "nine hundred ninety-two million, eight hundred eleven thousand, eight hundred ninety-two".