243038 has 8 divisors (see below), whose sum is σ = 367632. Its totient is φ = 120496.

The previous prime is 243031. The next prime is 243073. The reversal of 243038 is 830342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243031) by changing a digit.

243038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170 + ... + 717.

It is an arithmetic number, because the mean of its divisors is an integer number (45954).

2²⁴³⁰³⁸ is an apocalyptic number.

243038 is a deficient number, since it is larger than the sum of its proper divisors (124594).

243038 is a wasteful number, since it uses less digits than its factorization.

243038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 243038 is about 492.9888436872. The cubic root of 243038 is about 62.4057673280.

The spelling of 243038 in words is "two hundred forty-three thousand, thirty-eight".