9099959 has 4 divisors (see below), whose sum is σ = 9927240. Its totient is φ = 8272680.

The previous prime is 9099953. The next prime is 9099967. The reversal of 9099959 is 9599909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9099959 - 2⁴ = 9099943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413624 + ... + 413645.

It is an arithmetic number, because the mean of its divisors is an integer number (2481810).

Almost surely, 2^9099959 is an apocalyptic number.

9099959 is a deficient number, since it is larger than the sum of its proper divisors (827281).

9099959 is a wasteful number, since it uses less digits than its factorization.

9099959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827280.

The product of its (nonzero) digits is 295245, while the sum is 50.

The square root of 9099959 is about 3016.6138301082. The cubic root of 9099959 is about 208.7756343196.

Subtracting from 9099959 its sum of digits (50), we obtain a palindrome (9099909).

The spelling of 9099959 in words is "nine million, ninety-nine thousand, nine hundred fifty-nine".