99933912 has 80 divisors (see below), whose sum is σ = 301464240. Its totient is φ = 30746304.

The previous prime is 99933907. The next prime is 99933931. The reversal of 99933912 is 21933999.

It is a nude number because it is divisible by every one of its digits.

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 19 ways as a sum of consecutive naturals, for example, 2493 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (3768303).

Almost surely, 2^99933912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99933912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150732120).

99933912 is an abundant number, since it is smaller than the sum of its proper divisors (201530328).

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

99933912 is a wasteful number, since it uses less digits than its factorization.

99933912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11894 (or 11881 counting only the distinct ones).

The product of its digits is 118098, while the sum is 45.

The square root of 99933912 is about 9996.6950538666. The cubic root of 99933912 is about 464.0566097202.

The spelling of 99933912 in words is "ninety-nine million, nine hundred thirty-three thousand, nine hundred twelve".