99097239 has 8 divisors (see below), whose sum is σ = 132263152. Its totient is φ = 65998080.

The previous prime is 99097189. The next prime is 99097247. The reversal of 99097239 is 93279099.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99097239 - 2²⁰ = 98048663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99097249) 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, 13114 + ... + 19239.

It is an arithmetic number, because the mean of its divisors is an integer number (16532894).

Almost surely, 2^99097239 is an apocalyptic number.

99097239 is a deficient number, since it is larger than the sum of its proper divisors (33165913).

99097239 is a wasteful number, since it uses less digits than its factorization.

99097239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33377.

The product of its (nonzero) digits is 275562, while the sum is 48.

The square root of 99097239 is about 9954.7596153800. The cubic root of 99097239 is about 462.7579105945.

The spelling of 99097239 in words is "ninety-nine million, ninety-seven thousand, two hundred thirty-nine".