90396413 has 2 divisors, whose sum is σ = 90396414. Its totient is φ = 90396412.

The previous prime is 90396407. The next prime is 90396443. The reversal of 90396413 is 31469309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62125924 + 28270489 = 7882^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 90396413 - 2²⁰ = 89347837 is a prime.

It is a super-2 number, since 2×90396413² = 16343022966533138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90396443) 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, 45198206 + 45198207.

It is an arithmetic number, because the mean of its divisors is an integer number (45198207).

Almost surely, 2^90396413 is an apocalyptic number.

It is an amenable number.

90396413 is a deficient number, since it is larger than the sum of its proper divisors (1).

90396413 is an equidigital number, since it uses as much as digits as its factorization.

90396413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 90396413 is about 9507.7028245523. The cubic root of 90396413 is about 448.7974691860.

It can be divided in two parts, 90396 and 413, that added together give a palindrome (90809).

The spelling of 90396413 in words is "ninety million, three hundred ninety-six thousand, four hundred thirteen".