9090579 has 4 divisors (see below), whose sum is σ = 12120776. Its totient is φ = 6060384.

The previous prime is 9090551. The next prime is 9090583. The reversal of 9090579 is 9750909.

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

It is not a de Polignac number, because 9090579 - 2⁵ = 9090547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9090509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515094 + ... + 1515099.

It is an arithmetic number, because the mean of its divisors is an integer number (3030194).

Almost surely, 2^9090579 is an apocalyptic number.

9090579 is a deficient number, since it is larger than the sum of its proper divisors (3030197).

9090579 is a wasteful number, since it uses less digits than its factorization.

9090579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030196.

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 9090579 is about 3015.0587058961. The cubic root of 9090579 is about 208.7038761686.

It can be divided in two parts, 9090 and 579, that added together give a palindrome (9669).

The spelling of 9090579 in words is "nine million, ninety thousand, five hundred seventy-nine".