1409344 has 42 divisors (see below), whose sum is σ = 2999994. Its totient is φ = 656640.

The previous prime is 1409341. The next prime is 1409357. The reversal of 1409344 is 4439041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 831744 + 577600 = 912^2 + 760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23074 + ... + 23134.

2^1409344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499997).

1409344 is an abundant number, since it is smaller than the sum of its proper divisors (1590650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409344 is an equidigital number, since it uses as much as digits as its factorization.

1409344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1409344 is about 1187.1579507378. The cubic root of 1409344 is about 112.1172242039.

The spelling of 1409344 in words is "one million, four hundred nine thousand, three hundred forty-four".