82104600 has 48 divisors (see below), whose sum is σ = 254526120. Its totient is φ = 21894400.

The previous prime is 82104571. The next prime is 82104619. The reversal of 82104600 is 640128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67821 + ... + 69020.

Almost surely, 2^82104600 is an apocalyptic number.

It is an amenable number.

82104600 is an abundant number, since it is smaller than the sum of its proper divisors (172421520).

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

82104600 is a wasteful number, since it uses less digits than its factorization.

82104600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136860 (or 136851 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 82104600 is about 9061.1588662820. The cubic root of 82104600 is about 434.6327988508.

Adding to 82104600 its reverse (640128), we get a palindrome (82744728).

The spelling of 82104600 in words is "eighty-two million, one hundred four thousand, six hundred".