11389444 has 24 divisors (see below), whose sum is σ = 21839328. Its totient is φ = 5154240.

The previous prime is 11389421. The next prime is 11389471. The reversal of 11389444 is 44498311.

11389444 = 12² + 13² + ... + 324².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13359 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (909972).

Almost surely, 2^11389444 is an apocalyptic number.

It is an amenable number.

11389444 is a deficient number, since it is larger than the sum of its proper divisors (10449884).

11389444 is a wasteful number, since it uses less digits than its factorization.

11389444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1153 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 11389444 is about 3374.8250325017. The cubic root of 11389444 is about 224.9922235995.

The spelling of 11389444 in words is "eleven million, three hundred eighty-nine thousand, four hundred forty-four".