340449 has 8 divisors (see below), whose sum is σ = 456672. Its totient is φ = 225600.

The previous prime is 340447. The next prime is 340451. The reversal of 340449 is 944043.

It is an interprime number because it is at equal distance from previous prime (340447) and next prime (340451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340449 - 2¹ = 340447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (57084).

2³⁴⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

340449 is a deficient number, since it is larger than the sum of its proper divisors (116223).

340449 is a wasteful number, since it uses less digits than its factorization.

340449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 340449 is about 583.4800767807. The cubic root of 340449 is about 69.8260305809.

The spelling of 340449 in words is "three hundred forty thousand, four hundred forty-nine".