340284 has 24 divisors (see below), whose sum is σ = 907648. Its totient is φ = 97200.

The previous prime is 340283. The next prime is 340297. The reversal of 340284 is 482043.

It is a happy number.

340284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 340284.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 2109.

2³⁴⁰²⁸⁴ is an apocalyptic number.

It is an amenable number.

340284 is an abundant number, since it is smaller than the sum of its proper divisors (567364).

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

340284 is a wasteful number, since it uses less digits than its factorization.

340284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 340284 is about 583.3386666423. The cubic root of 340284 is about 69.8147482677.

It can be divided in two parts, 3402 and 84, that added together give a triangular number (3486 = T₈₃).

The spelling of 340284 in words is "three hundred forty thousand, two hundred eighty-four".