340586 has 4 divisors (see below), whose sum is σ = 510882. Its totient is φ = 170292.

The previous prime is 340583. The next prime is 340591. The reversal of 340586 is 685043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 685043 = 457 ⋅1499.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 3025 = 581^2 + 55^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340586.

It is not an unprimeable number, because it can be changed into a prime (340583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85145 + ... + 85148.

2³⁴⁰⁵⁸⁶ is an apocalyptic number.

340586 is a deficient number, since it is larger than the sum of its proper divisors (170296).

340586 is a wasteful number, since it uses less digits than its factorization.

340586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170295.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 340586 is about 583.5974640109. The cubic root of 340586 is about 69.8353955502.

The spelling of 340586 in words is "three hundred forty thousand, five hundred eighty-six".