340566 has 16 divisors (see below), whose sum is σ = 703488. Its totient is φ = 109800.

The previous prime is 340559. The next prime is 340573. The reversal of 340566 is 665043.

It is an interprime number because it is at equal distance from previous prime (340559) and next prime (340573).

It is a super-3 number, since 3×340566³ = 118501847233324488, which contains 333 as substring.

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 340566.

It is an unprimeable number.

340566 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (43968).

2³⁴⁰⁵⁶⁶ is an apocalyptic number.

340566 is an abundant number, since it is smaller than the sum of its proper divisors (362922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340566 is a wasteful number, since it uses less digits than its factorization.

340566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 340566 is about 583.5803286609. The cubic root of 340566 is about 69.8340285580.

The spelling of 340566 in words is "three hundred forty thousand, five hundred sixty-six".