90304499 has 2 divisors, whose sum is σ = 90304500. Its totient is φ = 90304498.

The previous prime is 90304483. The next prime is 90304523. The reversal of 90304499 is 99440309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90304499 - 2⁴ = 90304483 is a prime.

It is not a weakly prime, because it can be changed into another prime (90304199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45152249 + 45152250.

It is an arithmetic number, because the mean of its divisors is an integer number (45152250).

Almost surely, 2^90304499 is an apocalyptic number.

90304499 is a deficient number, since it is larger than the sum of its proper divisors (1).

90304499 is an equidigital number, since it uses as much as digits as its factorization.

90304499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90304499 is about 9502.8679355235. The cubic root of 90304499 is about 448.6453069551.

The spelling of 90304499 in words is "ninety million, three hundred four thousand, four hundred ninety-nine".