9979089 has 4 divisors (see below), whose sum is σ = 13305456. Its totient is φ = 6652724.

The previous prime is 9979061. The next prime is 9979091. The reversal of 9979089 is 9809799.

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 9979089 - 2⁷ = 9978961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9979019) 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, 1663179 + ... + 1663184.

It is an arithmetic number, because the mean of its divisors is an integer number (3326364).

Almost surely, 2^9979089 is an apocalyptic number.

It is an amenable number.

9979089 is a deficient number, since it is larger than the sum of its proper divisors (3326367).

9979089 is a wasteful number, since it uses less digits than its factorization.

9979089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326366.

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

The square root of 9979089 is about 3158.9696104901. The cubic root of 9979089 is about 215.2931929277.

The spelling of 9979089 in words is "nine million, nine hundred seventy-nine thousand, eighty-nine".