1344431 has 12 divisors (see below), whose sum is σ = 1519392. Its totient is φ = 1188000.

The previous prime is 1344407. The next prime is 1344457.

It is a happy number.

1344431 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1344431 is a prime.

It is a super-2 number, since 2×1344431² = 3614989427522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4826 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (126616).

2^1344431 is an apocalyptic number.

1344431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1344431 is a deficient number, since it is larger than the sum of its proper divisors (174961).

1344431 is a wasteful number, since it uses less digits than its factorization.

1344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 323 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1344431 is about 1159.4960112049. The cubic root of 1344431 is about 110.3687623850.

It can be divided in two parts, 13 and 44431, that added together give a palindrome (44444).

The spelling of 1344431 in words is "one million, three hundred forty-four thousand, four hundred thirty-one".