93890317 has 2 divisors, whose sum is σ = 93890318. Its totient is φ = 93890316.

The previous prime is 93890263. The next prime is 93890323. The reversal of 93890317 is 71309839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 35688676 = 7629^2 + 5974^2 .

It is an emirp because it is prime and its reverse (71309839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93890317 - 2¹¹ = 93888269 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93890317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93890327) 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, 46945158 + 46945159.

It is an arithmetic number, because the mean of its divisors is an integer number (46945159).

Almost surely, 2^93890317 is an apocalyptic number.

It is an amenable number.

93890317 is a deficient number, since it is larger than the sum of its proper divisors (1).

93890317 is an equidigital number, since it uses as much as digits as its factorization.

93890317 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 40.

The square root of 93890317 is about 9689.7015949925. The cubic root of 93890317 is about 454.5066778157.

The spelling of 93890317 in words is "ninety-three million, eight hundred ninety thousand, three hundred seventeen".