99291892 has 12 divisors (see below), whose sum is σ = 198583840. Its totient is φ = 42553656.

The previous prime is 99291889. The next prime is 99291893. The reversal of 99291892 is 29819299.

It is a happy number.

99291892 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99291893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773042 + ... + 1773097.

Almost surely, 2^99291892 is an apocalyptic number.

It is an amenable number.

99291892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99291892 is a wasteful number, since it uses less digits than its factorization.

99291892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546150 (or 3546148 counting only the distinct ones).

The product of its digits is 209952, while the sum is 49.

The square root of 99291892 is about 9964.5316999847. The cubic root of 99291892 is about 463.0607051100.

The spelling of 99291892 in words is "ninety-nine million, two hundred ninety-one thousand, eight hundred ninety-two".