99239233 has 2 divisors, whose sum is σ = 99239234. Its totient is φ = 99239232.

The previous prime is 99239219. The next prime is 99239269. The reversal of 99239233 is 33293299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92390544 + 6848689 = 9612^2 + 2617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99239233 is a prime.

It is not a weakly prime, because it can be changed into another prime (99239213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49619616 + 49619617.

It is an arithmetic number, because the mean of its divisors is an integer number (49619617).

Almost surely, 2^99239233 is an apocalyptic number.

It is an amenable number.

99239233 is a deficient number, since it is larger than the sum of its proper divisors (1).

99239233 is an equidigital number, since it uses as much as digits as its factorization.

99239233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 40.

The square root of 99239233 is about 9961.8890276895. The cubic root of 99239233 is about 462.9788299264.

The spelling of 99239233 in words is "ninety-nine million, two hundred thirty-nine thousand, two hundred thirty-three".