90366293 has 2 divisors, whose sum is σ = 90366294. Its totient is φ = 90366292.

The previous prime is 90366281. The next prime is 90366301. The reversal of 90366293 is 39266309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85692049 + 4674244 = 9257^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 90366293 - 2⁸ = 90366037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90366253) 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, 45183146 + 45183147.

It is an arithmetic number, because the mean of its divisors is an integer number (45183147).

Almost surely, 2^90366293 is an apocalyptic number.

It is an amenable number.

90366293 is a deficient number, since it is larger than the sum of its proper divisors (1).

90366293 is an equidigital number, since it uses as much as digits as its factorization.

90366293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 90366293 is about 9506.1187137548. The cubic root of 90366293 is about 448.7476173501.

The spelling of 90366293 in words is "ninety million, three hundred sixty-six thousand, two hundred ninety-three".