99958434 has 8 divisors (see below), whose sum is σ = 199916880. Its totient is φ = 33319476.

The previous prime is 99958427. The next prime is 99958471. The reversal of 99958434 is 43485999.

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

99958434 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8329864 + ... + 8329875.

It is an arithmetic number, because the mean of its divisors is an integer number (24989610).

Almost surely, 2^99958434 is an apocalyptic number.

99958434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99958434 is a wasteful number, since it uses less digits than its factorization.

99958434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16659744.

The product of its digits is 1399680, while the sum is 51.

The square root of 99958434 is about 9997.9214839886. The cubic root of 99958434 is about 464.0945636883.

The spelling of 99958434 in words is "ninety-nine million, nine hundred fifty-eight thousand, four hundred thirty-four".