93390413 has 2 divisors, whose sum is σ = 93390414. Its totient is φ = 93390412.

The previous prime is 93390397. The next prime is 93390421. The reversal of 93390413 is 31409339.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 5368489 = 9382^2 + 2317^2 .

It is a cyclic number.

It is not a de Polignac number, because 93390413 - 2⁴ = 93390397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93390413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93390443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46695206 + 46695207.

It is an arithmetic number, because the mean of its divisors is an integer number (46695207).

Almost surely, 2^93390413 is an apocalyptic number.

It is an amenable number.

93390413 is a deficient number, since it is larger than the sum of its proper divisors (1).

93390413 is an equidigital number, since it uses as much as digits as its factorization.

93390413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 93390413 is about 9663.8715326726. The cubic root of 93390413 is about 453.6985925312.

The spelling of 93390413 in words is "ninety-three million, three hundred ninety thousand, four hundred thirteen".