99333521 has 8 divisors (see below), whose sum is σ = 115448640. Its totient is φ = 83699568.

The previous prime is 99333511. The next prime is 99333541. The reversal of 99333521 is 12533399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99333521 - 2⁶ = 99333457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99333511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119846 + ... + 120671.

It is an arithmetic number, because the mean of its divisors is an integer number (14431080).

Almost surely, 2^99333521 is an apocalyptic number.

It is an amenable number.

99333521 is a deficient number, since it is larger than the sum of its proper divisors (16115119).

99333521 is a wasteful number, since it uses less digits than its factorization.

99333521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240583.

The product of its digits is 21870, while the sum is 35.

The square root of 99333521 is about 9966.6203399146. The cubic root of 99333521 is about 463.1254101607.

The spelling of 99333521 in words is "ninety-nine million, three hundred thirty-three thousand, five hundred twenty-one".