1244444 has 6 divisors (see below), whose sum is σ = 2177784. Its totient is φ = 622220.

The previous prime is 1244437. The next prime is 1244447. The reversal of 1244444 is 4444421.

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

It is an Ulam number.

1244444 is a modest number, since divided by 4444 gives 124 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155552 + ... + 155559.

It is an arithmetic number, because the mean of its divisors is an integer number (362964).

2^1244444 is an apocalyptic number.

It is an amenable number.

1244444 is a deficient number, since it is larger than the sum of its proper divisors (933340).

1244444 is a wasteful number, since it uses less digits than its factorization.

1244444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311115 (or 311113 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 1244444 is about 1115.5465028406. The cubic root of 1244444 is about 107.5618969300.

Subtracting from 1244444 its sum of digits (23), we obtain a palindrome (1244421).

Adding to 1244444 its reverse (4444421), we get a palindrome (5688865).

The spelling of 1244444 in words is "one million, two hundred forty-four thousand, four hundred forty-four".