9040069 has 4 divisors (see below), whose sum is σ = 9050944. Its totient is φ = 9029196.

The previous prime is 9040063. The next prime is 9040079. The reversal of 9040069 is 9600409.

9040069 is digitally balanced in base 3, 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 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 9040069 - 2³ = 9040061 is a prime.

It is a super-2 number, since 2×9040069² = 163445695049522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040061) 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, 4077 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (2262736).

Almost surely, 2^9040069 is an apocalyptic number.

It is an amenable number.

9040069 is a deficient number, since it is larger than the sum of its proper divisors (10875).

9040069 is an equidigital number, since it uses as much as digits as its factorization.

9040069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9040069 is about 3006.6707501820. The cubic root of 9040069 is about 208.3166174677.

The spelling of 9040069 in words is "nine million, forty thousand, sixty-nine".