38243 has 4 divisors (see below), whose sum is σ = 38640. Its totient is φ = 37848.

The previous prime is 38239. The next prime is 38261. The reversal of 38243 is 34283.

38243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38243 - 2² = 38239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 281.

It is an arithmetic number, because the mean of its divisors is an integer number (9660).

2³⁸²⁴³ is an apocalyptic number.

38243 is a deficient number, since it is larger than the sum of its proper divisors (397).

38243 is a wasteful number, since it uses less digits than its factorization.

38243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

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

The square root of 38243 is about 195.5581754875. The cubic root of 38243 is about 33.6912650127.

The spelling of 38243 in words is "thirty-eight thousand, two hundred forty-three".