340979 has 2 divisors, whose sum is σ = 340980. Its totient is φ = 340978.

The previous prime is 340957. The next prime is 340999. The reversal of 340979 is 979043.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340979 - 2⁸ = 340723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170489 + 170490.

It is an arithmetic number, because the mean of its divisors is an integer number (170490).

2³⁴⁰⁹⁷⁹ is an apocalyptic number.

340979 is a deficient number, since it is larger than the sum of its proper divisors (1).

340979 is an equidigital number, since it uses as much as digits as its factorization.

340979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 340979 is about 583.9340716211. The cubic root of 340979 is about 69.8622460969.

The spelling of 340979 in words is "three hundred forty thousand, nine hundred seventy-nine".