236990099 has 2 divisors, whose sum is σ = 236990100. Its totient is φ = 236990098.

The previous prime is 236990077. The next prime is 236990111. The reversal of 236990099 is 990099632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236990099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (236990029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118495049 + 118495050.

It is an arithmetic number, because the mean of its divisors is an integer number (118495050).

Almost surely, 2^236990099 is an apocalyptic number.

236990099 is a deficient number, since it is larger than the sum of its proper divisors (1).

236990099 is an equidigital number, since it uses as much as digits as its factorization.

236990099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 236990099 is about 15394.4827454514. The cubic root of 236990099 is about 618.8376583763.

The spelling of 236990099 in words is "two hundred thirty-six million, nine hundred ninety thousand, ninety-nine".