91298 has 8 divisors (see below), whose sum is σ = 138240. Its totient is φ = 45220.

The previous prime is 91297. The next prime is 91303. The reversal of 91298 is 89219.

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

Its product of digits (1296) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 91298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91291) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (17280).

2⁹¹²⁹⁸ is an apocalyptic number.

91298 is a deficient number, since it is larger than the sum of its proper divisors (46942).

91298 is a wasteful number, since it uses less digits than its factorization.

91298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 1296, while the sum is 29.

The square root of 91298 is about 302.1555890597. The cubic root of 91298 is about 45.0284593639.

The spelling of 91298 in words is "ninety-one thousand, two hundred ninety-eight".