340479 has 6 divisors (see below), whose sum is σ = 491816. Its totient is φ = 226980.

The previous prime is 340477. The next prime is 340481. The reversal of 340479 is 974043.

It is an interprime number because it is at equal distance from previous prime (340477) and next prime (340481).

It is not a de Polignac number, because 340479 - 2¹ = 340477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340479.

It is not an unprimeable number, because it can be changed into a prime (340477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18907 + ... + 18924.

2³⁴⁰⁴⁷⁹ is an apocalyptic number.

340479 is a deficient number, since it is larger than the sum of its proper divisors (151337).

340479 is a wasteful number, since it uses less digits than its factorization.

340479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37837 (or 37834 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 340479 is about 583.5057840330. The cubic root of 340479 is about 69.8280815190.

The spelling of 340479 in words is "three hundred forty thousand, four hundred seventy-nine".