82196538 has 32 divisors (see below), whose sum is σ = 168161280. Its totient is φ = 26777520.

The previous prime is 82196537. The next prime is 82196551. The reversal of 82196538 is 83569128.

It is a self number, because there is not a number n which added to its sum of digits gives 82196538.

It is not an unprimeable number, because it can be changed into a prime (82196533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55143 + ... + 56613.

It is an arithmetic number, because the mean of its divisors is an integer number (5255040).

Almost surely, 2^82196538 is an apocalyptic number.

82196538 is an abundant number, since it is smaller than the sum of its proper divisors (85964742).

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

82196538 is a wasteful number, since it uses less digits than its factorization.

82196538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 103680, while the sum is 42.

The square root of 82196538 is about 9066.2306390252. The cubic root of 82196538 is about 434.7949674525.

The spelling of 82196538 in words is "eighty-two million, one hundred ninety-six thousand, five hundred thirty-eight".