243429 has 8 divisors (see below), whose sum is σ = 330912. Its totient is φ = 159120.

The previous prime is 243421. The next prime is 243431. The reversal of 243429 is 924342.

It is a happy number.

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

It is not a de Polignac number, because 243429 - 2³ = 243421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243399 and 243408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (41364).

2²⁴³⁴²⁹ is an apocalyptic number.

It is an amenable number.

243429 is a deficient number, since it is larger than the sum of its proper divisors (87483).

243429 is a wasteful number, since it uses less digits than its factorization.

243429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 1728, while the sum is 24.

The square root of 243429 is about 493.3852450165. The cubic root of 243429 is about 62.4392155699.

The spelling of 243429 in words is "two hundred forty-three thousand, four hundred twenty-nine".