8979909 has 4 divisors (see below), whose sum is σ = 11973216. Its totient is φ = 5986604.

The previous prime is 8979907. The next prime is 8979923. The reversal of 8979909 is 9099798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8979909 - 2¹ = 8979907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979907) 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, 1496649 + ... + 1496654.

It is an arithmetic number, because the mean of its divisors is an integer number (2993304).

Almost surely, 2^8979909 is an apocalyptic number.

It is an amenable number.

8979909 is a deficient number, since it is larger than the sum of its proper divisors (2993307).

8979909 is a wasteful number, since it uses less digits than its factorization.

8979909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993306.

The product of its (nonzero) digits is 367416, while the sum is 51.

The square root of 8979909 is about 2996.6496291692. The cubic root of 8979909 is about 207.8534856391.

The spelling of 8979909 in words is "eight million, nine hundred seventy-nine thousand, nine hundred nine".