1344621 has 4 divisors (see below), whose sum is σ = 1792832. Its totient is φ = 896412.

The previous prime is 1344601. The next prime is 1344641. The reversal of 1344621 is 1264431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1344601) and next prime (1344641).

It is not a de Polignac number, because 1344621 - 2⁵ = 1344589 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344601) 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, 224101 + ... + 224106.

It is an arithmetic number, because the mean of its divisors is an integer number (448208).

2^1344621 is an apocalyptic number.

It is an amenable number.

1344621 is a deficient number, since it is larger than the sum of its proper divisors (448211).

1344621 is an equidigital number, since it uses as much as digits as its factorization.

1344621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448210.

The product of its digits is 576, while the sum is 21.

The square root of 1344621 is about 1159.5779404594. The cubic root of 1344621 is about 110.3739613817.

The spelling of 1344621 in words is "one million, three hundred forty-four thousand, six hundred twenty-one".