89937233 has 2 divisors, whose sum is σ = 89937234. Its totient is φ = 89937232.

The previous prime is 89937217. The next prime is 89937247. The reversal of 89937233 is 33273998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87478609 + 2458624 = 9353^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 89937233 - 2⁴ = 89937217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89937283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44968616 + 44968617.

It is an arithmetic number, because the mean of its divisors is an integer number (44968617).

Almost surely, 2^89937233 is an apocalyptic number.

It is an amenable number.

89937233 is a deficient number, since it is larger than the sum of its proper divisors (1).

89937233 is an equidigital number, since it uses as much as digits as its factorization.

89937233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 89937233 is about 9483.5242921606. The cubic root of 89937233 is about 448.0362710456.

The spelling of 89937233 in words is "eighty-nine million, nine hundred thirty-seven thousand, two hundred thirty-three".