99432379 has 8 divisors (see below), whose sum is σ = 102069360. Its totient is φ = 96828000.

The previous prime is 99432373. The next prime is 99432409. The reversal of 99432379 is 97323499.

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

It is a cyclic number.

It is not a de Polignac number, because 99432379 - 2²⁵ = 65877947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99432373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909 + ... + 14230.

It is an arithmetic number, because the mean of its divisors is an integer number (12758670).

Almost surely, 2^99432379 is an apocalyptic number.

99432379 is a deficient number, since it is larger than the sum of its proper divisors (2636981).

99432379 is a wasteful number, since it uses less digits than its factorization.

99432379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16301.

The product of its digits is 367416, while the sum is 46.

The square root of 99432379 is about 9971.5785610905. The cubic root of 99432379 is about 463.2789953472.

The spelling of 99432379 in words is "ninety-nine million, four hundred thirty-two thousand, three hundred seventy-nine".