83438 has 4 divisors (see below), whose sum is σ = 125160. Its totient is φ = 41718.

The previous prime is 83437. The next prime is 83443.

83438 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

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

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20858 + ... + 20861.

It is an arithmetic number, because the mean of its divisors is an integer number (31290).

2⁸³⁴³⁸ is an apocalyptic number.

83438 is a deficient number, since it is larger than the sum of its proper divisors (41722).

83438 is a wasteful number, since it uses less digits than its factorization.

83438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41721.

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

The square root of 83438 is about 288.8563656906. The cubic root of 83438 is about 43.6973025371.

The spelling of 83438 in words is "eighty-three thousand, four hundred thirty-eight".