1344397 has 4 divisors (see below), whose sum is σ = 1348956. Its totient is φ = 1339840.

The previous prime is 1344389. The next prime is 1344401. The reversal of 1344397 is 7934431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7934431 = 463 ⋅17137.

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 594441 = 866^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344397 - 2³ = 1344389 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 4⁵ + 4¹⁰ + 3¹⁰ + 9⁵ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344337) 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, 1804 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (337239).

2^1344397 is an apocalyptic number.

It is an amenable number.

1344397 is a deficient number, since it is larger than the sum of its proper divisors (4559).

1344397 is an equidigital number, since it uses as much as digits as its factorization.

1344397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its digits is 9072, while the sum is 31.

The square root of 1344397 is about 1159.4813495697. The cubic root of 1344397 is about 110.3678319865.

The spelling of 1344397 in words is "one million, three hundred forty-four thousand, three hundred ninety-seven".