340879 has 16 divisors (see below), whose sum is σ = 449280. Its totient is φ = 250560.

The previous prime is 340877. The next prime is 340889. The reversal of 340879 is 978043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340879 - 2¹ = 340877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2³⁴⁰⁸⁷⁹ is an apocalyptic number.

340879 is a deficient number, since it is larger than the sum of its proper divisors (108401).

340879 is a wasteful number, since it uses less digits than its factorization.

340879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 340879 is about 583.8484392374. The cubic root of 340879 is about 69.8554158545.

The spelling of 340879 in words is "three hundred forty thousand, eight hundred seventy-nine".