90338117 has 2 divisors, whose sum is σ = 90338118. Its totient is φ = 90338116.

The previous prime is 90338111. The next prime is 90338147. The reversal of 90338117 is 71183309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 17986081 = 8506^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 90338117 - 2²⁴ = 73560901 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 (90338111) 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, 45169058 + 45169059.

It is an arithmetic number, because the mean of its divisors is an integer number (45169059).

Almost surely, 2^90338117 is an apocalyptic number.

It is an amenable number.

90338117 is a deficient number, since it is larger than the sum of its proper divisors (1).

90338117 is an equidigital number, since it uses as much as digits as its factorization.

90338117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 90338117 is about 9504.6366053627. The cubic root of 90338117 is about 448.7009730141.

The spelling of 90338117 in words is "ninety million, three hundred thirty-eight thousand, one hundred seventeen".