99924031 has 4 divisors (see below), whose sum is σ = 100075864. Its totient is φ = 99772200.

The previous prime is 99924023. The next prime is 99924037. The reversal of 99924031 is 13042999.

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

It is a cyclic number.

It is not a de Polignac number, because 99924031 - 2³ = 99924023 is a prime.

It is a super-2 number, since 2×99924031² = 19969623942577922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99924037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74925 + ... + 76246.

It is an arithmetic number, because the mean of its divisors is an integer number (25018966).

Almost surely, 2^99924031 is an apocalyptic number.

99924031 is a deficient number, since it is larger than the sum of its proper divisors (151833).

99924031 is a wasteful number, since it uses less digits than its factorization.

99924031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151832.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 99924031 is about 9996.2008283147. The cubic root of 99924031 is about 464.0413146303.

The spelling of 99924031 in words is "ninety-nine million, nine hundred twenty-four thousand, thirty-one".