99582 has 16 divisors (see below), whose sum is σ = 227712. Its totient is φ = 28440.

The previous prime is 99581. The next prime is 99607. The reversal of 99582 is 28599.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (14232).

2⁹⁹⁵⁸² is an apocalyptic number.

99582 is an abundant number, since it is smaller than the sum of its proper divisors (128130).

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 (113856).

99582 is a wasteful number, since it uses less digits than its factorization.

99582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its digits is 6480, while the sum is 33.

The square root of 99582 is about 315.5661578814. The cubic root of 99582 is about 46.3511252111.

It can be divided in two parts, 9 and 9582, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 99582 in words is "ninety-nine thousand, five hundred eighty-two".