340757 has 2 divisors, whose sum is σ = 340758. Its totient is φ = 340756.

The previous prime is 340723. The next prime is 340777. The reversal of 340757 is 757043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244036 + 96721 = 494^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 340757 - 2⁶ = 340693 is a prime.

It is a super-2 number, since 2×340757² = 232230666098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340777) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170378 + 170379.

It is an arithmetic number, because the mean of its divisors is an integer number (170379).

2³⁴⁰⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

340757 is a deficient number, since it is larger than the sum of its proper divisors (1).

340757 is an equidigital number, since it uses as much as digits as its factorization.

340757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 340757 is about 583.7439507181. The cubic root of 340757 is about 69.8470811496.

The spelling of 340757 in words is "three hundred forty thousand, seven hundred fifty-seven".