91894 has 8 divisors (see below), whose sum is σ = 150408. Its totient is φ = 41760.

The previous prime is 91873. The next prime is 91909. The reversal of 91894 is 49819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 2067 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (18801).

2⁹¹⁸⁹⁴ is an apocalyptic number.

91894 is a deficient number, since it is larger than the sum of its proper divisors (58514).

91894 is a wasteful number, since it uses less digits than its factorization.

91894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190.

The product of its digits is 2592, while the sum is 31.

The square root of 91894 is about 303.1402315761. The cubic root of 91894 is about 45.1262299422.

The spelling of 91894 in words is "ninety-one thousand, eight hundred ninety-four".