1344357 has 20 divisors (see below), whose sum is σ = 2296096. Its totient is φ = 767880.

The previous prime is 1344347. The next prime is 1344359. The reversal of 1344357 is 7534431.

It is not a de Polignac number, because 1344357 - 2¹⁰ = 1343333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

1344357 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344359) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 619 + ... + 1752.

2^1344357 is an apocalyptic number.

It is an amenable number.

1344357 is a deficient number, since it is larger than the sum of its proper divisors (951739).

1344357 is an equidigital number, since it uses as much as digits as its factorization.

1344357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2381 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 1344357 is about 1159.4641003498. The cubic root of 1344357 is about 110.3667373800.

Adding to 1344357 its reverse (7534431), we get a palindrome (8878788).

The spelling of 1344357 in words is "one million, three hundred forty-four thousand, three hundred fifty-seven".