1431344 has 10 divisors (see below), whose sum is σ = 2773260. Its totient is φ = 715664.

The previous prime is 1431337. The next prime is 1431347. The reversal of 1431344 is 4431341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1431347) 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 as a sum of consecutive naturals, namely, 44714 + ... + 44745.

It is an arithmetic number, because the mean of its divisors is an integer number (277326).

2^1431344 is an apocalyptic number.

It is an amenable number.

1431344 is a deficient number, since it is larger than the sum of its proper divisors (1341916).

1431344 is an equidigital number, since it uses as much as digits as its factorization.

1431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89467 (or 89461 counting only the distinct ones).

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

The square root of 1431344 is about 1196.3878969632. The cubic root of 1431344 is about 112.6976016886.

Adding to 1431344 its reverse (4431341), we get a palindrome (5862685).

The spelling of 1431344 in words is "one million, four hundred thirty-one thousand, three hundred forty-four".