340307 has 4 divisors (see below), whose sum is σ = 371256. Its totient is φ = 309360.

The previous prime is 340297. The next prime is 340321. The reversal of 340307 is 703043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703043 = 11 ⋅63913.

It is a cyclic number.

It is not a de Polignac number, because 340307 - 2¹² = 336211 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340307.

It is not an unprimeable number, because it can be changed into a prime (340337) 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, 15458 + ... + 15479.

It is an arithmetic number, because the mean of its divisors is an integer number (92814).

2³⁴⁰³⁰⁷ is an apocalyptic number.

340307 is a deficient number, since it is larger than the sum of its proper divisors (30949).

340307 is a wasteful number, since it uses less digits than its factorization.

340307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30948.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 340307 is about 583.3583804146. The cubic root of 340307 is about 69.8163211725.

The spelling of 340307 in words is "three hundred forty thousand, three hundred seven", and thus it is an iban number.