99954636 has 12 divisors (see below), whose sum is σ = 233227512. Its totient is φ = 33318208.

The previous prime is 99954623. The next prime is 99954637. The reversal of 99954636 is 63645999.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (99954637) 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, 4164765 + ... + 4164788.

It is an arithmetic number, because the mean of its divisors is an integer number (19435626).

Almost surely, 2^99954636 is an apocalyptic number.

It is an amenable number.

99954636 is an abundant number, since it is smaller than the sum of its proper divisors (133272876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99954636 is a wasteful number, since it uses less digits than its factorization.

99954636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329560 (or 8329558 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 51.

The square root of 99954636 is about 9997.7315427051. The cubic root of 99954636 is about 464.0886857334.

The spelling of 99954636 in words is "ninety-nine million, nine hundred fifty-four thousand, six hundred thirty-six".