82197852 has 48 divisors (see below), whose sum is σ = 210131712. Its totient is φ = 24801280.

The previous prime is 82197851. The next prime is 82197889. The reversal of 82197852 is 25879128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82197851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32713 + ... + 35135.

It is an arithmetic number, because the mean of its divisors is an integer number (4377744).

Almost surely, 2^82197852 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 82197852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105065856).

82197852 is an abundant number, since it is smaller than the sum of its proper divisors (127933860).

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

82197852 is a wasteful number, since it uses less digits than its factorization.

82197852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2696 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 82197852 is about 9066.3031054559. The cubic root of 82197852 is about 434.7972843284.

The spelling of 82197852 in words is "eighty-two million, one hundred ninety-seven thousand, eight hundred fifty-two".