99791092 has 24 divisors (see below), whose sum is σ = 176550920. Its totient is φ = 49351680.

The previous prime is 99791063. The next prime is 99791093. The reversal of 99791092 is 29019799.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 96707556 = 1756^2 + 9834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99791093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243784 + ... + 244192.

Almost surely, 2^99791092 is an apocalyptic number.

It is an amenable number.

99791092 is a deficient number, since it is larger than the sum of its proper divisors (76759828).

99791092 is a wasteful number, since it uses less digits than its factorization.

99791092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 99791092 is about 9989.5491389752. The cubic root of 99791092 is about 463.8354363410.

The spelling of 99791092 in words is "ninety-nine million, seven hundred ninety-one thousand, ninety-two".