1344409 has 4 divisors (see below), whose sum is σ = 1466640. Its totient is φ = 1222180.

The previous prime is 1344407. The next prime is 1344457. The reversal of 1344409 is 9044431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9044431 = 11 ⋅822221.

It is a cyclic number.

It is not a de Polignac number, because 1344409 - 2¹ = 1344407 is a prime.

It is a Duffinian number.

1344409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1344401) 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, 61099 + ... + 61120.

It is an arithmetic number, because the mean of its divisors is an integer number (366660).

2^1344409 is an apocalyptic number.

It is an amenable number.

1344409 is a deficient number, since it is larger than the sum of its proper divisors (122231).

1344409 is a wasteful number, since it uses less digits than its factorization.

1344409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122230.

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

The square root of 1344409 is about 1159.4865242856. The cubic root of 1344409 is about 110.3681603642.

The spelling of 1344409 in words is "one million, three hundred forty-four thousand, four hundred nine".