99232491 has 4 divisors (see below), whose sum is σ = 132309992. Its totient is φ = 66154992.

The previous prime is 99232489. The next prime is 99232493. The reversal of 99232491 is 19423299.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (99232489) and next prime (99232493).

It is not a de Polignac number, because 99232491 - 2¹ = 99232489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99232493) 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, 16538746 + ... + 16538751.

It is an arithmetic number, because the mean of its divisors is an integer number (33077498).

Almost surely, 2^99232491 is an apocalyptic number.

99232491 is a deficient number, since it is larger than the sum of its proper divisors (33077501).

99232491 is a wasteful number, since it uses less digits than its factorization.

99232491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33077500.

The product of its digits is 34992, while the sum is 39.

The square root of 99232491 is about 9961.5506323062. The cubic root of 99232491 is about 462.9683452493.

The spelling of 99232491 in words is "ninety-nine million, two hundred thirty-two thousand, four hundred ninety-one".