1244448 has 72 divisors (see below), whose sum is σ = 3685500. Its totient is φ = 397824.

The previous prime is 1244447. The next prime is 1244459. The reversal of 1244448 is 8444421.

It is a happy number.

1244448 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 1192464 + 51984 = 1092^2 + 228^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a plaindrome in base 10.

It is a zygodrome in base 11.

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 in 11 ways as a sum of consecutive naturals, for example, 8278 + ... + 8426.

2^1244448 is an apocalyptic number.

1244448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842750).

1244448 is an abundant number, since it is smaller than the sum of its proper divisors (2441052).

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

1244448 is a wasteful number, since it uses less digits than its factorization.

1244448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 183 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1244448 is about 1115.5482956824. The cubic root of 1244448 is about 107.5620121748.

Subtracting from 1244448 its sum of digits (27), we obtain a palindrome (1244421).

Adding to 1244448 its reverse (8444421), we get a palindrome (9688869).

The spelling of 1244448 in words is "one million, two hundred forty-four thousand, four hundred forty-eight".