1244464 has 40 divisors (see below), whose sum is σ = 2694272. Its totient is φ = 552960.

The previous prime is 1244459. The next prime is 1244471. The reversal of 1244464 is 4644421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6352 + ... + 6544.

2^1244464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347136).

1244464 is an abundant number, since it is smaller than the sum of its proper divisors (1449808).

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

1244464 is a wasteful number, since it uses less digits than its factorization.

1244464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1244464 is about 1115.5554670208. Note that the first 3 decimals coincide. The cubic root of 1244464 is about 107.5624731515.

Adding to 1244464 its reverse (4644421), we get a palindrome (5888885).

It can be divided in two parts, 124 and 4464, that multiplied together give a square (553536 = 744²).

The spelling of 1244464 in words is "one million, two hundred forty-four thousand, four hundred sixty-four".