1438244 has 6 divisors (see below), whose sum is σ = 2516934. Its totient is φ = 719120.

The previous prime is 1438237. The next prime is 1438253. The reversal of 1438244 is 4428341.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 438244 = 1000^2 + 662^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179777 + ... + 179784.

It is an arithmetic number, because the mean of its divisors is an integer number (419489).

2^1438244 is an apocalyptic number.

It is an amenable number.

1438244 is a deficient number, since it is larger than the sum of its proper divisors (1078690).

1438244 is a wasteful number, since it uses less digits than its factorization.

1438244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359565 (or 359563 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 1438244 is about 1199.2681101405. The cubic root of 1438244 is about 112.8784031486.

The spelling of 1438244 in words is "one million, four hundred thirty-eight thousand, two hundred forty-four".