11421444 has 12 divisors (see below), whose sum is σ = 26650064. Its totient is φ = 3807144.

The previous prime is 11421437. The next prime is 11421461. The reversal of 11421444 is 44412411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11421444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475882 + ... + 475905.

Almost surely, 2^11421444 is an apocalyptic number.

It is an amenable number.

11421444 is an abundant number, since it is smaller than the sum of its proper divisors (15228620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421444 is a wasteful number, since it uses less digits than its factorization.

11421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951794 (or 951792 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 11421444 is about 3379.5626936040. The cubic root of 11421444 is about 225.2027407184.

Adding to 11421444 its reverse (44412411), we get a palindrome (55833855).

The spelling of 11421444 in words is "eleven million, four hundred twenty-one thousand, four hundred forty-four".