90353999 has 2 divisors, whose sum is σ = 90354000. Its totient is φ = 90353998.

The previous prime is 90353983. The next prime is 90354041. The reversal of 90353999 is 99935309.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90353999 - 2⁴ = 90353983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90353899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45176999 + 45177000.

It is an arithmetic number, because the mean of its divisors is an integer number (45177000).

Almost surely, 2^90353999 is an apocalyptic number.

90353999 is a deficient number, since it is larger than the sum of its proper divisors (1).

90353999 is an equidigital number, since it uses as much as digits as its factorization.

90353999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 295245, while the sum is 47.

The square root of 90353999 is about 9505.4720556109. The cubic root of 90353999 is about 448.7272662759.

The spelling of 90353999 in words is "ninety million, three hundred fifty-three thousand, nine hundred ninety-nine".