91602 has 24 divisors (see below), whose sum is σ = 227136. Its totient is φ = 26136.

The previous prime is 91591. The next prime is 91621. The reversal of 91602 is 20619.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

91602 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 in 11 ways as a sum of consecutive naturals, for example, 238 + ... + 489.

It is an arithmetic number, because the mean of its divisors is an integer number (9464).

2⁹¹⁶⁰² is an apocalyptic number.

91602 is an abundant number, since it is smaller than the sum of its proper divisors (135534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113568).

91602 is a wasteful number, since it uses less digits than its factorization.

91602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 91602 is about 302.6582230834. The cubic root of 91602 is about 45.0783819120.

The spelling of 91602 in words is "ninety-one thousand, six hundred two".