99879430 has 32 divisors (see below), whose sum is σ = 206558784. Its totient is φ = 34062336.

The previous prime is 99879419. The next prime is 99879443. The reversal of 99879430 is 3497899.

99879430 is nontrivially palindromic in base 13.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9814 + ... + 17206.

It is an arithmetic number, because the mean of its divisors is an integer number (6454962).

Almost surely, 2^99879430 is an apocalyptic number.

99879430 is an abundant number, since it is smaller than the sum of its proper divisors (106679354).

99879430 is a wasteful number, since it uses less digits than its factorization.

99879430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 99879430 is about 9993.9696817631. The cubic root of 99879430 is about 463.9722628832.

The spelling of 99879430 in words is "ninety-nine million, eight hundred seventy-nine thousand, four hundred thirty".