90098837 has 2 divisors, whose sum is σ = 90098838. Its totient is φ = 90098836.

The previous prime is 90098819. The next prime is 90098839. The reversal of 90098837 is 73889009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58277956 + 31820881 = 7634^2 + 5641^2 .

It is a cyclic number.

It is not a de Polignac number, because 90098837 - 2⁸ = 90098581 is a prime.

Together with 90098839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90098839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45049418 + 45049419.

It is an arithmetic number, because the mean of its divisors is an integer number (45049419).

Almost surely, 2^90098837 is an apocalyptic number.

It is an amenable number.

90098837 is a deficient number, since it is larger than the sum of its proper divisors (1).

90098837 is an equidigital number, since it uses as much as digits as its factorization.

90098837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 90098837 is about 9492.0407184125. The cubic root of 90098837 is about 448.3044622705.

The spelling of 90098837 in words is "ninety million, ninety-eight thousand, eight hundred thirty-seven".