43838 has 8 divisors (see below), whose sum is σ = 68688. Its totient is φ = 20944.

The previous prime is 43801. The next prime is 43853. The reversal of 43838 is 83834.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 522.

It is an arithmetic number, because the mean of its divisors is an integer number (8586).

2⁴³⁸³⁸ is an apocalyptic number.

43838 is a deficient number, since it is larger than the sum of its proper divisors (24850).

43838 is a wasteful number, since it uses less digits than its factorization.

43838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 2304, while the sum is 26.

The square root of 43838 is about 209.3752611939. The cubic root of 43838 is about 35.2601030679.

The spelling of 43838 in words is "forty-three thousand, eight hundred thirty-eight".