99933420 has 96 divisors (see below), whose sum is σ = 293529600. Its totient is φ = 25369344.

The previous prime is 99933403. The next prime is 99933443. The reversal of 99933420 is 2433999.

It is a super-3 number, since 3×99933420³ (a number of 25 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 137097 + ... + 137823.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^99933420 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 99933420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146764800).

99933420 is an abundant number, since it is smaller than the sum of its proper divisors (193596180).

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

99933420 is a wasteful number, since it uses less digits than its factorization.

99933420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 99933420 is about 9996.6704457034. The cubic root of 99933420 is about 464.0558481628.

The spelling of 99933420 in words is "ninety-nine million, nine hundred thirty-three thousand, four hundred twenty".