343487 has 4 divisors (see below), whose sum is σ = 344760. Its totient is φ = 342216.

The previous prime is 343481. The next prime is 343489. The reversal of 343487 is 784343.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 343487 - 2⁶ = 343423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

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 343487.

It is not an unprimeable number, because it can be changed into a prime (343481) 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, 53 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (86190).

2³⁴³⁴⁸⁷ is an apocalyptic number.

343487 is a deficient number, since it is larger than the sum of its proper divisors (1273).

343487 is an equidigital number, since it uses as much as digits as its factorization.

343487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its digits is 8064, while the sum is 29.

The square root of 343487 is about 586.0776399079. The cubic root of 343487 is about 70.0331135848.

The spelling of 343487 in words is "three hundred forty-three thousand, four hundred eighty-seven".