99999033 has 32 divisors (see below), whose sum is σ = 144844800. Its totient is φ = 61166016.

The previous prime is 99998999. The next prime is 99999043. The reversal of 99999033 is 33099999.

It is a de Polignac number, because none of the positive numbers 2^k-99999033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99999043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436563 + ... + 436791.

It is an arithmetic number, because the mean of its divisors is an integer number (4526400).

Almost surely, 2^99999033 is an apocalyptic number.

It is an amenable number.

99999033 is a deficient number, since it is larger than the sum of its proper divisors (44845767).

99999033 is a wasteful number, since it uses less digits than its factorization.

99999033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 531441, while the sum is 51.

The square root of 99999033 is about 9999.9516498831. The cubic root of 99999033 is about 464.1573872177.

The spelling of 99999033 in words is "ninety-nine million, nine hundred ninety-nine thousand, thirty-three".