340495 has 4 divisors (see below), whose sum is σ = 408600. Its totient is φ = 272392.

The previous prime is 340481. The next prime is 340519. The reversal of 340495 is 594043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594043 = 503 ⋅1181.

It is a cyclic number.

It is not a de Polignac number, because 340495 - 2¹³ = 332303 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 4³ + 4⁹ + 0 + 9² + 5⁷ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340495.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34045 + ... + 34054.

It is an arithmetic number, because the mean of its divisors is an integer number (102150).

2³⁴⁰⁴⁹⁵ is an apocalyptic number.

340495 is a deficient number, since it is larger than the sum of its proper divisors (68105).

340495 is an equidigital number, since it uses as much as digits as its factorization.

340495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68104.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 340495 is about 583.5194941045. The cubic root of 340495 is about 69.8291753033.

The spelling of 340495 in words is "three hundred forty thousand, four hundred ninety-five".