99990033 has 24 divisors (see below), whose sum is σ = 157497120. Its totient is φ = 55935360.

The previous prime is 99990029. The next prime is 99990043. The reversal of 99990033 is 33009999.

It is not a de Polignac number, because 99990033 - 2² = 99990029 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99990043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3388 + ... + 14541.

It is an arithmetic number, because the mean of its divisors is an integer number (6562380).

Almost surely, 2^99990033 is an apocalyptic number.

It is an amenable number.

99990033 is a deficient number, since it is larger than the sum of its proper divisors (57507087).

99990033 is a wasteful number, since it uses less digits than its factorization.

99990033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17969 (or 17956 counting only the distinct ones).

The product of its (nonzero) digits is 59049, while the sum is 42.

The square root of 99990033 is about 9999.5016375817. The cubic root of 99990033 is about 464.1434619436.

The spelling of 99990033 in words is "ninety-nine million, nine hundred ninety thousand, thirty-three".