91883 has 4 divisors (see below), whose sum is σ = 100248. Its totient is φ = 83520.

The previous prime is 91873. The next prime is 91909. The reversal of 91883 is 38819.

91883 = T₁₇₂ + T₁₇₃ + ... + T₁₇₇.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38819 = 11 ⋅3529.

It is a cyclic number.

It is not a de Polignac number, because 91883 - 2⁴ = 91867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (25062).

2⁹¹⁸⁸³ is an apocalyptic number.

91883 is a deficient number, since it is larger than the sum of its proper divisors (8365).

91883 is a wasteful number, since it uses less digits than its factorization.

91883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364.

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

The square root of 91883 is about 303.1220876149. The cubic root of 91883 is about 45.1244292866.

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

The spelling of 91883 in words is "ninety-one thousand, eight hundred eighty-three".