9069979 has 4 divisors (see below), whose sum is σ = 9291240. Its totient is φ = 8848720.

The previous prime is 9069971. The next prime is 9069989. The reversal of 9069979 is 9799609.

It is a happy number.

9069979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9799609 = 829 ⋅11821.

It is a cyclic number.

It is not a de Polignac number, because 9069979 - 2³ = 9069971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9069971) 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, 110569 + ... + 110650.

It is an arithmetic number, because the mean of its divisors is an integer number (2322810).

Almost surely, 2^9069979 is an apocalyptic number.

9069979 is a deficient number, since it is larger than the sum of its proper divisors (221261).

9069979 is a wasteful number, since it uses less digits than its factorization.

9069979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221260.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 9069979 is about 3011.6405828053. The cubic root of 9069979 is about 208.5461102197.

The spelling of 9069979 in words is "nine million, sixty-nine thousand, nine hundred seventy-nine".