82320996 has 72 divisors (see below), whose sum is σ = 209604864. Its totient is φ = 25116480.

The previous prime is 82320991. The next prime is 82321003. The reversal of 82320996 is 69902328.

It is not an unprimeable number, because it can be changed into a prime (82320991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133986 + ... + 134598.

Almost surely, 2^82320996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82320996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104802432).

82320996 is an abundant number, since it is smaller than the sum of its proper divisors (127283868).

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

82320996 is a wasteful number, since it uses less digits than its factorization.

82320996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 82320996 is about 9073.0918655109. The cubic root of 82320996 is about 435.0143052503.

The spelling of 82320996 in words is "eighty-two million, three hundred twenty thousand, nine hundred ninety-six".