1338744 has 48 divisors (see below), whose sum is σ = 3686760. Its totient is φ = 404800.

The previous prime is 1338737. The next prime is 1338749. The reversal of 1338744 is 4478331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338749) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2674 + ... + 3134.

2^1338744 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 1338744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843380).

1338744 is an abundant number, since it is smaller than the sum of its proper divisors (2348016).

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

1338744 is a wasteful number, since it uses less digits than its factorization.

1338744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 477 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 1338744 is about 1157.0410537228. The cubic root of 1338744 is about 110.2129209281.

It can be divided in two parts, 13387 and 44, that added together give a palindrome (13431).

The spelling of 1338744 in words is "one million, three hundred thirty-eight thousand, seven hundred forty-four".