82005436 has 12 divisors (see below), whose sum is σ = 143579520. Its totient is φ = 40982720.

The previous prime is 82005421. The next prime is 82005461. The reversal of 82005436 is 63450028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7956 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (11964960).

Almost surely, 2^82005436 is an apocalyptic number.

It is an amenable number.

82005436 is a deficient number, since it is larger than the sum of its proper divisors (61574084).

82005436 is a wasteful number, since it uses less digits than its factorization.

82005436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004 (or 10002 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 82005436 is about 9055.6852860510. The cubic root of 82005436 is about 434.4577486092.

The spelling of 82005436 in words is "eighty-two million, five thousand, four hundred thirty-six".