91682 has 4 divisors (see below), whose sum is σ = 137526. Its totient is φ = 45840.

The previous prime is 91673. The next prime is 91691. The reversal of 91682 is 28619.

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

It is an interprime number because it is at equal distance from previous prime (91673) and next prime (91691).

It can be written as a sum of positive squares in only one way, i.e., 72361 + 19321 = 269^2 + 139^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22919 + ... + 22922.

2⁹¹⁶⁸² is an apocalyptic number.

91682 is a deficient number, since it is larger than the sum of its proper divisors (45844).

91682 is a wasteful number, since it uses less digits than its factorization.

91682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45843.

The product of its digits is 864, while the sum is 26.

The square root of 91682 is about 302.7903565175. The cubic root of 91682 is about 45.0915010624.

It can be divided in two parts, 9168 and 2, that multiplied together give a triangular number (18336 = T₁₉₁).

The spelling of 91682 in words is "ninety-one thousand, six hundred eighty-two".