243814 has 16 divisors (see below), whose sum is σ = 396576. Its totient is φ = 112000.

The previous prime is 243809. The next prime is 243829. The reversal of 243814 is 418342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (24786).

2²⁴³⁸¹⁴ is an apocalyptic number.

243814 is a deficient number, since it is larger than the sum of its proper divisors (152762).

243814 is a wasteful number, since it uses less digits than its factorization.

243814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its digits is 768, while the sum is 22.

The square root of 243814 is about 493.7752525188. The cubic root of 243814 is about 62.4721155612.

The spelling of 243814 in words is "two hundred forty-three thousand, eight hundred fourteen".