340679 has 4 divisors (see below), whose sum is σ = 341880. Its totient is φ = 339480.

The previous prime is 340661. The next prime is 340687. The reversal of 340679 is 976043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 976043 = 317 ⋅3079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340619) 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, 92 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (85470).

2³⁴⁰⁶⁷⁹ is an apocalyptic number.

340679 is a deficient number, since it is larger than the sum of its proper divisors (1201).

340679 is an equidigital number, since it uses as much as digits as its factorization.

340679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 340679 is about 583.6771367803. The cubic root of 340679 is about 69.8417513612.

It can be divided in two parts, 34067 and 9, that multiplied together give a palindrome (306603).

The spelling of 340679 in words is "three hundred forty thousand, six hundred seventy-nine".