90348499 has 2 divisors, whose sum is σ = 90348500. Its totient is φ = 90348498.

The previous prime is 90348463. The next prime is 90348527. The reversal of 90348499 is 99484309.

It is a strong prime.

It is an emirp because it is prime and its reverse (99484309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90348499 - 2⁷ = 90348371 is a prime.

It is not a weakly prime, because it can be changed into another prime (90348409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45174249 + 45174250.

It is an arithmetic number, because the mean of its divisors is an integer number (45174250).

Almost surely, 2^90348499 is an apocalyptic number.

90348499 is a deficient number, since it is larger than the sum of its proper divisors (1).

90348499 is an equidigital number, since it uses as much as digits as its factorization.

90348499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 90348499 is about 9505.1827441665. The cubic root of 90348499 is about 448.7181611632.

The spelling of 90348499 in words is "ninety million, three hundred forty-eight thousand, four hundred ninety-nine".