340957 has 2 divisors, whose sum is σ = 340958. Its totient is φ = 340956.

The previous prime is 340939. The next prime is 340979. The reversal of 340957 is 759043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 116281 = 474^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 340957 - 2¹¹ = 338909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170478 + 170479.

It is an arithmetic number, because the mean of its divisors is an integer number (170479).

2³⁴⁰⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

340957 is a deficient number, since it is larger than the sum of its proper divisors (1).

340957 is an equidigital number, since it uses as much as digits as its factorization.

340957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 340957 is about 583.9152335742. The cubic root of 340957 is about 69.8607435582.

The spelling of 340957 in words is "three hundred forty thousand, nine hundred fifty-seven".