343287 has 12 divisors (see below), whose sum is σ = 566800. Its totient is φ = 196128.

The previous prime is 343267. The next prime is 343289. The reversal of 343287 is 782343.

It is not a de Polignac number, because 343287 - 2¹⁴ = 326903 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4⁹ + 2 + 3¹⁰ + 8 + 7⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343287.

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 343287.

It is not an unprimeable number, because it can be changed into a prime (343289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 2787.

2³⁴³²⁸⁷ is an apocalyptic number.

343287 is a deficient number, since it is larger than the sum of its proper divisors (223513).

343287 is a wasteful number, since it uses less digits than its factorization.

343287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462 (or 5459 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 343287 is about 585.9069892056. The cubic root of 343287 is about 70.0195183666.

It can be divided in two parts, 343 and 287, that added together give a triangular number (630 = T₃₅).

The spelling of 343287 in words is "three hundred forty-three thousand, two hundred eighty-seven".