83918 has 4 divisors (see below), whose sum is σ = 125880. Its totient is φ = 41958.

The previous prime is 83911. The next prime is 83921. The reversal of 83918 is 81938.

It is a happy number.

83918 is nontrivially palindromic in base 14.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83911) by changing a digit.

83918 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20978 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (31470).

2⁸³⁹¹⁸ is an apocalyptic number.

83918 is a deficient number, since it is larger than the sum of its proper divisors (41962).

83918 is a wasteful number, since it uses less digits than its factorization.

83918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41961.

The product of its digits is 1728, while the sum is 29.

The square root of 83918 is about 289.6860369434. The cubic root of 83918 is about 43.7809359429.

It can be divided in two parts, 83 and 918, that added together give a palindrome (1001).

The spelling of 83918 in words is "eighty-three thousand, nine hundred eighteen".