11040439 has 8 divisors (see below), whose sum is σ = 11414592. Its totient is φ = 10671360.

The previous prime is 11040431. The next prime is 11040473. The reversal of 11040439 is 93404011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11040439 - 2³ = 11040431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 5824.

It is an arithmetic number, because the mean of its divisors is an integer number (1426824).

Almost surely, 2^11040439 is an apocalyptic number.

11040439 is a deficient number, since it is larger than the sum of its proper divisors (374153).

11040439 is a wasteful number, since it uses less digits than its factorization.

11040439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11040439 is about 3322.7156062474. The cubic root of 11040439 is about 222.6702076819.

The spelling of 11040439 in words is "eleven million, forty thousand, four hundred thirty-nine".