99033147 has 12 divisors (see below), whose sum is σ = 149267664. Its totient is φ = 63151440.

The previous prime is 99033131. The next prime is 99033167. The reversal of 99033147 is 74133099.

It is not a de Polignac number, because 99033147 - 2⁴ = 99033131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99033107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239004 + ... + 239417.

It is an arithmetic number, because the mean of its divisors is an integer number (12438972).

Almost surely, 2^99033147 is an apocalyptic number.

99033147 is a deficient number, since it is larger than the sum of its proper divisors (50234517).

99033147 is a wasteful number, since it uses less digits than its factorization.

99033147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478450 (or 478447 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 99033147 is about 9951.5399310860. The cubic root of 99033147 is about 462.6581248463.

The spelling of 99033147 in words is "ninety-nine million, thirty-three thousand, one hundred forty-seven".