99924843 has 4 divisors (see below), whose sum is σ = 133233128. Its totient is φ = 66616560.

The previous prime is 99924833. The next prime is 99924859. The reversal of 99924843 is 34842999.

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

It is not a de Polignac number, because 99924843 - 2¹⁸ = 99662699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99924792 and 99924801.

It is not an unprimeable number, because it can be changed into a prime (99924823) 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, 16654138 + ... + 16654143.

It is an arithmetic number, because the mean of its divisors is an integer number (33308282).

Almost surely, 2^99924843 is an apocalyptic number.

99924843 is a deficient number, since it is larger than the sum of its proper divisors (33308285).

99924843 is a wasteful number, since it uses less digits than its factorization.

99924843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33308284.

The product of its digits is 559872, while the sum is 48.

The square root of 99924843 is about 9996.2414436627. The cubic root of 99924843 is about 464.0425715869.

The spelling of 99924843 in words is "ninety-nine million, nine hundred twenty-four thousand, eight hundred forty-three".