99281092 has 6 divisors (see below), whose sum is σ = 173741918. Its totient is φ = 49640544.

The previous prime is 99281057. The next prime is 99281093. The reversal of 99281092 is 29018299.

It can be written as a sum of positive squares in only one way, i.e., 53934336 + 45346756 = 7344^2 + 6734^2 .

It is not an unprimeable number, because it can be changed into a prime (99281093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12410133 + ... + 12410140.

Almost surely, 2^99281092 is an apocalyptic number.

It is an amenable number.

99281092 is a deficient number, since it is larger than the sum of its proper divisors (74460826).

99281092 is a wasteful number, since it uses less digits than its factorization.

99281092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820277 (or 24820275 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 99281092 is about 9963.9897631421. The cubic root of 99281092 is about 463.0439154311.

The spelling of 99281092 in words is "ninety-nine million, two hundred eighty-one thousand, ninety-two".