99261236 has 6 divisors (see below), whose sum is σ = 173707170. Its totient is φ = 49630616.

The previous prime is 99261233. The next prime is 99261247. The reversal of 99261236 is 63216299.

It can be written as a sum of positive squares in only one way, i.e., 77545636 + 21715600 = 8806^2 + 4660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99261236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99261233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12407651 + ... + 12407658.

It is an arithmetic number, because the mean of its divisors is an integer number (28951195).

Almost surely, 2^99261236 is an apocalyptic number.

It is an amenable number.

99261236 is a deficient number, since it is larger than the sum of its proper divisors (74445934).

99261236 is a wasteful number, since it uses less digits than its factorization.

99261236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24815313 (or 24815311 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 99261236 is about 9962.9933253014. The cubic root of 99261236 is about 463.0130441181.

The spelling of 99261236 in words is "ninety-nine million, two hundred sixty-one thousand, two hundred thirty-six".