82820094 has 40 divisors (see below), whose sum is σ = 193269000. Its totient is φ = 23658768.

The previous prime is 82820093. The next prime is 82820099. The reversal of 82820094 is 49002828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82820093) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11532 + ... + 17280.

It is an arithmetic number, because the mean of its divisors is an integer number (4831725).

Almost surely, 2^82820094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82820094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96634500).

82820094 is an abundant number, since it is smaller than the sum of its proper divisors (110448906).

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

82820094 is an equidigital number, since it uses as much as digits as its factorization.

82820094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5761 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 82820094 is about 9100.5545984846. The cubic root of 82820094 is about 435.8916734218.

The spelling of 82820094 in words is "eighty-two million, eight hundred twenty thousand, ninety-four".