1339444 has 6 divisors (see below), whose sum is σ = 2344034. Its totient is φ = 669720.

The previous prime is 1339433. The next prime is 1339463. The reversal of 1339444 is 4449331.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 211600 = 1062^2 + 460^2 .

It is a super-2 number, since 2×1339444² = 3588220458272, which contains 22 as substring.

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, 167427 + ... + 167434.

2^1339444 is an apocalyptic number.

It is an amenable number.

1339444 is a deficient number, since it is larger than the sum of its proper divisors (1004590).

1339444 is a wasteful number, since it uses less digits than its factorization.

1339444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334865 (or 334863 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1339444 is about 1157.3435099399. The cubic root of 1339444 is about 110.2321268908.

The spelling of 1339444 in words is "one million, three hundred thirty-nine thousand, four hundred forty-four".