90896999 has 2 divisors, whose sum is σ = 90897000. Its totient is φ = 90896998.

The previous prime is 90896951. The next prime is 90897019. The reversal of 90896999 is 99969809.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90896999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90896599) 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, 45448499 + 45448500.

It is an arithmetic number, because the mean of its divisors is an integer number (45448500).

Almost surely, 2^90896999 is an apocalyptic number.

90896999 is a deficient number, since it is larger than the sum of its proper divisors (1).

90896999 is an equidigital number, since it uses as much as digits as its factorization.

90896999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The square root of 90896999 is about 9533.9917663065. The cubic root of 90896999 is about 449.6243762587.

The spelling of 90896999 in words is "ninety million, eight hundred ninety-six thousand, nine hundred ninety-nine".