83894 has 4 divisors (see below), whose sum is σ = 125844. Its totient is φ = 41946.

The previous prime is 83891. The next prime is 83903. The reversal of 83894 is 49838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49838 = 2 ⋅24919.

It is an Ulam number.

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

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 83894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20972 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (31461).

2⁸³⁸⁹⁴ is an apocalyptic number.

83894 is a deficient number, since it is larger than the sum of its proper divisors (41950).

83894 is a wasteful number, since it uses less digits than its factorization.

83894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41949.

The product of its digits is 6912, while the sum is 32.

The square root of 83894 is about 289.6446098238. The cubic root of 83894 is about 43.7767618577.

The spelling of 83894 in words is "eighty-three thousand, eight hundred ninety-four".