1344664 has 8 divisors (see below), whose sum is σ = 2521260. Its totient is φ = 672328.

The previous prime is 1344647. The next prime is 1344667. The reversal of 1344664 is 4664431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344667) by changing a digit.

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 as a sum of consecutive naturals, namely, 84034 + ... + 84049.

2^1344664 is an apocalyptic number.

It is an amenable number.

1344664 is a deficient number, since it is larger than the sum of its proper divisors (1176596).

1344664 is a wasteful number, since it uses less digits than its factorization.

1344664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168089 (or 168085 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1344664 is about 1159.5964815400. The cubic root of 1344664 is about 110.3751379288.

The spelling of 1344664 in words is "one million, three hundred forty-four thousand, six hundred sixty-four".