8909959 has 4 divisors (see below), whose sum is σ = 8956800. Its totient is φ = 8863120.

The previous prime is 8909941. The next prime is 8909963. The reversal of 8909959 is 9599098.

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 8909959 - 2¹¹ = 8907911 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 (8909909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23134 + ... + 23515.

It is an arithmetic number, because the mean of its divisors is an integer number (2239200).

Almost surely, 2^8909959 is an apocalyptic number.

8909959 is a deficient number, since it is larger than the sum of its proper divisors (46841).

8909959 is a wasteful number, since it uses less digits than its factorization.

8909959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46840.

The product of its (nonzero) digits is 262440, while the sum is 49.

The square root of 8909959 is about 2984.9554435536. The cubic root of 8909959 is about 207.3123789118.

The spelling of 8909959 in words is "eight million, nine hundred nine thousand, nine hundred fifty-nine".