243494 has 8 divisors (see below), whose sum is σ = 367608. Its totient is φ = 120960.

The previous prime is 243487. The next prime is 243517. The reversal of 243494 is 494342.

243494 = 5⁴ + 6⁴ + ... + 16⁴.

243494 is nontrivially palindromic in base 14.

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

It is a d-powerful number, because it can be written as 2 + 4² + 4³ + 3¹¹ + 9³ + 4⁸ .

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 243494.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134 + ... + 710.

It is an arithmetic number, because the mean of its divisors is an integer number (45951).

2²⁴³⁴⁹⁴ is an apocalyptic number.

243494 is a deficient number, since it is larger than the sum of its proper divisors (124114).

243494 is a wasteful number, since it uses less digits than its factorization.

With its successor (243495) it forms an eRAP, since the sums of their prime factors are consecutive (790 and 791).

243494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its digits is 3456, while the sum is 26.

The square root of 243494 is about 493.4511120668. The cubic root of 243494 is about 62.4447725466. Note that the first 3 decimals are identical.

It can be divided in two parts, 243 and 494, that added together give a palindrome (737).

The spelling of 243494 in words is "two hundred forty-three thousand, four hundred ninety-four".