82859938 has 32 divisors (see below), whose sum is σ = 156950784. Its totient is φ = 31967232.

The previous prime is 82859927. The next prime is 82859939. The reversal of 82859938 is 83995828.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82859939) 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, 2095 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (4904712).

Almost surely, 2^82859938 is an apocalyptic number.

82859938 is a deficient number, since it is larger than the sum of its proper divisors (74090846).

82859938 is a wasteful number, since it uses less digits than its factorization.

82859938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186.

The product of its digits is 1244160, while the sum is 52.

The square root of 82859938 is about 9102.7434326141. The cubic root of 82859938 is about 435.9615633989.

The spelling of 82859938 in words is "eighty-two million, eight hundred fifty-nine thousand, nine hundred thirty-eight".