82860442 has 8 divisors (see below), whose sum is σ = 142046496. Its totient is φ = 35511612.

The previous prime is 82860413. The next prime is 82860451. The reversal of 82860442 is 24406828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82860398 and 82860407.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2959288 + ... + 2959315.

It is an arithmetic number, because the mean of its divisors is an integer number (17755812).

Almost surely, 2^82860442 is an apocalyptic number.

82860442 is a deficient number, since it is larger than the sum of its proper divisors (59186054).

82860442 is a wasteful number, since it uses less digits than its factorization.

82860442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5918612.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 82860442 is about 9102.7711165337. The cubic root of 82860442 is about 435.9624473170.

The spelling of 82860442 in words is "eighty-two million, eight hundred sixty thousand, four hundred forty-two".