90343369 has 2 divisors, whose sum is σ = 90343370. Its totient is φ = 90343368.

The previous prime is 90343339. The next prime is 90343397. The reversal of 90343369 is 96334309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 3853369 = 9300^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 90343369 - 2¹⁵ = 90310601 is a prime.

It is a super-2 number, since 2×90343369² = 16323848644540322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90343339) 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, 45171684 + 45171685.

It is an arithmetic number, because the mean of its divisors is an integer number (45171685).

Almost surely, 2^90343369 is an apocalyptic number.

It is an amenable number.

90343369 is a deficient number, since it is larger than the sum of its proper divisors (1).

90343369 is an equidigital number, since it uses as much as digits as its factorization.

90343369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 90343369 is about 9504.9128875545. The cubic root of 90343369 is about 448.7096682431.

It can be divided in two parts, 9034 and 3369, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 90343369 in words is "ninety million, three hundred forty-three thousand, three hundred sixty-nine".