11944439 has 16 divisors (see below), whose sum is σ = 13329792. Its totient is φ = 10633728.

The previous prime is 11944417. The next prime is 11944441. The reversal of 11944439 is 93444911.

It is a cyclic number.

It is not a de Polignac number, because 11944439 - 2¹² = 11940343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11944399 and 11944408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68957 + ... + 69129.

It is an arithmetic number, because the mean of its divisors is an integer number (833112).

Almost surely, 2^11944439 is an apocalyptic number.

11944439 is a deficient number, since it is larger than the sum of its proper divisors (1385353).

11944439 is a wasteful number, since it uses less digits than its factorization.

11944439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 15552, while the sum is 35.

The square root of 11944439 is about 3456.0727712246. The cubic root of 11944439 is about 228.5889602810.

The spelling of 11944439 in words is "eleven million, nine hundred forty-four thousand, four hundred thirty-nine".