99097872 has 40 divisors (see below), whose sum is σ = 264834240. Its totient is φ = 31893120.

The previous prime is 99097853. The next prime is 99097897. The reversal of 99097872 is 27879099.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34204 + ... + 36987.

It is an arithmetic number, because the mean of its divisors is an integer number (6620856).

Almost surely, 2^99097872 is an apocalyptic number.

It is an amenable number.

99097872 is an abundant number, since it is smaller than the sum of its proper divisors (165736368).

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

99097872 is a wasteful number, since it uses less digits than its factorization.

99097872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71231 (or 71225 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 99097872 is about 9954.7914091657. The cubic root of 99097872 is about 462.7588959066.

The spelling of 99097872 in words is "ninety-nine million, ninety-seven thousand, eight hundred seventy-two".