99993612 has 24 divisors (see below), whose sum is σ = 233800000. Its totient is φ = 33262416.

The previous prime is 99993611. The next prime is 99993671. The reversal of 99993612 is 21639999.

It is not an unprimeable number, because it can be changed into a prime (99993611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 14337.

Almost surely, 2^99993612 is an apocalyptic number.

It is an amenable number.

99993612 is an abundant number, since it is smaller than the sum of its proper divisors (133806388).

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

99993612 is a wasteful number, since it uses less digits than its factorization.

99993612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17205 (or 17203 counting only the distinct ones).

The product of its digits is 236196, while the sum is 48.

The square root of 99993612 is about 9999.6805948990. The cubic root of 99993612 is about 464.1489996610.

The spelling of 99993612 in words is "ninety-nine million, nine hundred ninety-three thousand, six hundred twelve".