243674 has 8 divisors (see below), whose sum is σ = 370740. Its totient is φ = 120096.

The previous prime is 243673. The next prime is 243701. The reversal of 243674 is 476342.

It is a happy number.

243674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 625 = 493^2 + 25^2 .

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 2⁹ + 4⁴ + 6³ + 3¹¹ + 7 + 4⁸ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243671) 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 3 ways as a sum of consecutive naturals, for example, 689 + ... + 980.

2²⁴³⁶⁷⁴ is an apocalyptic number.

243674 is a deficient number, since it is larger than the sum of its proper divisors (127066).

243674 is a wasteful number, since it uses less digits than its factorization.

243674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its digits is 4032, while the sum is 26.

The square root of 243674 is about 493.6334672609. The cubic root of 243674 is about 62.4601559379.

The spelling of 243674 in words is "two hundred forty-three thousand, six hundred seventy-four".