340266 has 8 divisors (see below), whose sum is σ = 680544. Its totient is φ = 113420.

The previous prime is 340261. The next prime is 340267. The reversal of 340266 is 662043.

It is a sphenic number, since it is the product of 3 distinct primes.

340266 is an admirable number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (340261) by changing a digit.

340266 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 3 ways as a sum of consecutive naturals, for example, 28350 + ... + 28361.

It is an arithmetic number, because the mean of its divisors is an integer number (85068).

2³⁴⁰²⁶⁶ is an apocalyptic number.

340266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340266 is a wasteful number, since it uses less digits than its factorization.

340266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56716.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 340266 is about 583.3232380079. The cubic root of 340266 is about 69.8135172492.

It can be divided in two parts, 340 and 266, that added together give a palindrome (606).

The spelling of 340266 in words is "three hundred forty thousand, two hundred sixty-six".