340286 has 8 divisors (see below), whose sum is σ = 528120. Its totient is φ = 164248.

The previous prime is 340283. The next prime is 340297. The reversal of 340286 is 682043.

340286 = 94² + 95² + ... + 122².

It is a happy number.

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

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 340286.

It is not an unprimeable number, because it can be changed into a prime (340283) 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, 2876 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (66015).

2³⁴⁰²⁸⁶ is an apocalyptic number.

340286 is a deficient number, since it is larger than the sum of its proper divisors (187834).

340286 is a wasteful number, since it uses less digits than its factorization.

340286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 340286 is about 583.3403809098. The cubic root of 340286 is about 69.8148850448.

It can be divided in two parts, 340 and 286, that added together give a palindrome (626).

The spelling of 340286 in words is "three hundred forty thousand, two hundred eighty-six".