99924419 has 16 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 80352384.

The previous prime is 99924413. The next prime is 99924437. The reversal of 99924419 is 91442999.

It is a de Polignac number, because none of the positive numbers 2^k-99924419 is a prime.

It is a super-2 number, since 2×99924419² = 19969779024975122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99924413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41552 + ... + 43890.

It is an arithmetic number, because the mean of its divisors is an integer number (7581600).

Almost surely, 2^99924419 is an apocalyptic number.

99924419 is a deficient number, since it is larger than the sum of its proper divisors (21381181).

99924419 is a wasteful number, since it uses less digits than its factorization.

99924419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722.

The product of its digits is 209952, while the sum is 47.

The square root of 99924419 is about 9996.2202356691. The cubic root of 99924419 is about 464.0419152459.

The spelling of 99924419 in words is "ninety-nine million, nine hundred twenty-four thousand, four hundred nineteen".