1340044 has 12 divisors (see below), whose sum is σ = 2402568. Its totient is φ = 653600.

The previous prime is 1340041. The next prime is 1340047. The reversal of 1340044 is 4400431.

It is an interprime number because it is at equal distance from previous prime (1340041) and next prime (1340047).

It is not an unprimeable number, because it can be changed into a prime (1340041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (200214).

2^1340044 is an apocalyptic number.

It is an amenable number.

1340044 is a deficient number, since it is larger than the sum of its proper divisors (1062524).

1340044 is a wasteful number, since it uses less digits than its factorization.

1340044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216 (or 8214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1340044 is about 1157.6026952284. The cubic root of 1340044 is about 110.2485838195.

Adding to 1340044 its reverse (4400431), we get a palindrome (5740475).

The spelling of 1340044 in words is "one million, three hundred forty thousand, forty-four".