11003444 has 6 divisors (see below), whose sum is σ = 19256034. Its totient is φ = 5501720.

The previous prime is 11003431. The next prime is 11003459. The reversal of 11003444 is 44430011.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 2371600 = 2938^2 + 1540^2 .

It is a super-2 number, since 2×11003444² = 242151559722272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1375427 + ... + 1375434.

It is an arithmetic number, because the mean of its divisors is an integer number (3209339).

Almost surely, 2^11003444 is an apocalyptic number.

It is an amenable number.

11003444 is a deficient number, since it is larger than the sum of its proper divisors (8252590).

11003444 is a wasteful number, since it uses less digits than its factorization.

11003444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750865 (or 2750863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11003444 is about 3317.1439522577. The cubic root of 11003444 is about 222.4212169000.

Adding to 11003444 its reverse (44430011), we get a palindrome (55433455).

The spelling of 11003444 in words is "eleven million, three thousand, four hundred forty-four".