1344609 has 18 divisors (see below), whose sum is σ = 2260050. Its totient is φ = 768096.

The previous prime is 1344601. The next prime is 1344641. The reversal of 1344609 is 9064431.

1344609 = T₃₀₂ + T₃₀₃ + ... + T₃₂₈.

1344609 is a `hidden beast` number, since 13 + 44 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 451584 = 945^2 + 672^2 .

It is not a de Polignac number, because 1344609 - 2³ = 1344601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1084 + ... + 1965.

2^1344609 is an apocalyptic number.

It is an amenable number.

1344609 is a deficient number, since it is larger than the sum of its proper divisors (915441).

1344609 is a wasteful number, since it uses less digits than its factorization.

1344609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069 (or 3059 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1344609 is about 1159.5727661514. The cubic root of 1344609 is about 110.3736330385.

It can be divided in two parts, 1344 and 609, that added together give a triangular number (1953 = T₆₂).

The spelling of 1344609 in words is "one million, three hundred forty-four thousand, six hundred nine".