1338772 has 6 divisors (see below), whose sum is σ = 2342858. Its totient is φ = 669384.

The previous prime is 1338751. The next prime is 1338781. The reversal of 1338772 is 2778331.

It can be written as a sum of positive squares in only one way, i.e., 1331716 + 7056 = 1154^2 + 84^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167343 + ... + 167350.

2^1338772 is an apocalyptic number.

It is an amenable number.

1338772 is a deficient number, since it is larger than the sum of its proper divisors (1004086).

1338772 is a wasteful number, since it uses less digits than its factorization.

1338772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334697 (or 334695 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 1338772 is about 1157.0531534895. The cubic root of 1338772 is about 110.2136892952.

Subtracting from 1338772 its product of digits (7056), we obtain a square (1331716 = 1154²).

The spelling of 1338772 in words is "one million, three hundred thirty-eight thousand, seven hundred seventy-two".