83893 has 4 divisors (see below), whose sum is σ = 85888. Its totient is φ = 81900.

The previous prime is 83891. The next prime is 83903. The reversal of 83893 is 39838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39838 = 2 ⋅19919.

It is a cyclic number.

It is not a de Polignac number, because 83893 - 2¹ = 83891 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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 in 3 ways as a sum of consecutive naturals, for example, 933 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (21472).

2⁸³⁸⁹³ is an apocalyptic number.

It is an amenable number.

83893 is a deficient number, since it is larger than the sum of its proper divisors (1995).

83893 is a wasteful number, since it uses less digits than its factorization.

83893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 5184, while the sum is 31.

The square root of 83893 is about 289.6428835653. The cubic root of 83893 is about 43.7765879202.

The spelling of 83893 in words is "eighty-three thousand, eight hundred ninety-three".