90434299 has 2 divisors, whose sum is σ = 90434300. Its totient is φ = 90434298.

The previous prime is 90434293. The next prime is 90434329. The reversal of 90434299 is 99243409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90434299 - 2³ = 90434291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90434291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45217149 + 45217150.

It is an arithmetic number, because the mean of its divisors is an integer number (45217150).

Almost surely, 2^90434299 is an apocalyptic number.

90434299 is a deficient number, since it is larger than the sum of its proper divisors (1).

90434299 is an equidigital number, since it uses as much as digits as its factorization.

90434299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 90434299 is about 9509.6950003667. The cubic root of 90434299 is about 448.8601588640.

The spelling of 90434299 in words is "ninety million, four hundred thirty-four thousand, two hundred ninety-nine".