99611924 has 12 divisors (see below), whose sum is σ = 174402900. Its totient is φ = 49782528.

The previous prime is 99611917. The next prime is 99611933. The reversal of 99611924 is 42911699.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27667600 + 71944324 = 5260^2 + 8482^2 .

It is a congruent number.

It is an unprimeable number.

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, 6692 + ... + 15620.

It is an arithmetic number, because the mean of its divisors is an integer number (14533575).

Almost surely, 2^99611924 is an apocalyptic number.

It is an amenable number.

99611924 is a deficient number, since it is larger than the sum of its proper divisors (74790976).

99611924 is a wasteful number, since it uses less digits than its factorization.

99611924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722 (or 11720 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 99611924 is about 9980.5773380101. The cubic root of 99611924 is about 463.5576752317.

The spelling of 99611924 in words is "ninety-nine million, six hundred eleven thousand, nine hundred twenty-four".