82085304 has 32 divisors (see below), whose sum is σ = 234529920. Its totient is φ = 23452896.

The previous prime is 82085293. The next prime is 82085309. The reversal of 82085304 is 40358028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82085309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244134 + ... + 244469.

It is an arithmetic number, because the mean of its divisors is an integer number (7329060).

Almost surely, 2^82085304 is an apocalyptic number.

82085304 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82085304 is an abundant number, since it is smaller than the sum of its proper divisors (152444616).

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

82085304 is a wasteful number, since it uses less digits than its factorization.

82085304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488619 (or 488615 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 82085304 is about 9060.0940392471. The cubic root of 82085304 is about 434.5987474433.

The spelling of 82085304 in words is "eighty-two million, eighty-five thousand, three hundred four".