900098917 has 2 divisors, whose sum is σ = 900098918. Its totient is φ = 900098916.

The previous prime is 900098909. The next prime is 900098923. The reversal of 900098917 is 719890009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811908036 + 88190881 = 28494^2 + 9391^2 .

It is a cyclic number.

It is not a de Polignac number, because 900098917 - 2³ = 900098909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900098957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450049458 + 450049459.

It is an arithmetic number, because the mean of its divisors is an integer number (450049459).

Almost surely, 2^900098917 is an apocalyptic number.

It is an amenable number.

900098917 is a deficient number, since it is larger than the sum of its proper divisors (1).

900098917 is an equidigital number, since it uses as much as digits as its factorization.

900098917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 900098917 is about 30001.6485713702. The cubic root of 900098917 is about 965.5247549074.

The spelling of 900098917 in words is "nine hundred million, ninety-eight thousand, nine hundred seventeen".