1343644 has 12 divisors (see below), whose sum is σ = 2376304. Its totient is φ = 664704.

The previous prime is 1343627. The next prime is 1343651. The reversal of 1343644 is 4463431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344 + ... + 2119.

2^1343644 is an apocalyptic number.

It is an amenable number.

1343644 is a deficient number, since it is larger than the sum of its proper divisors (1032660).

1343644 is a wasteful number, since it uses less digits than its factorization.

1343644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3562 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1343644 is about 1159.1565899394. The cubic root of 1343644 is about 110.3472223753.

The spelling of 1343644 in words is "one million, three hundred forty-three thousand, six hundred forty-four".