11440919 has 4 divisors (see below), whose sum is σ = 13075344. Its totient is φ = 9806496.

The previous prime is 11440909. The next prime is 11440939. The reversal of 11440919 is 91904411.

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

It is not a de Polignac number, because 11440919 - 2⁴ = 11440903 is a prime.

It is a super-2 number, since 2×11440919² = 261789255129122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11440891 and 11440900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817202 + ... + 817215.

It is an arithmetic number, because the mean of its divisors is an integer number (3268836).

Almost surely, 2^11440919 is an apocalyptic number.

11440919 is a deficient number, since it is larger than the sum of its proper divisors (1634425).

11440919 is an equidigital number, since it uses as much as digits as its factorization.

11440919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634424.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11440919 is about 3382.4427563523. The cubic root of 11440919 is about 225.3306677108.

The spelling of 11440919 in words is "eleven million, four hundred forty thousand, nine hundred nineteen".