82685284 has 12 divisors (see below), whose sum is σ = 157853808. Its totient is φ = 37584200.

The previous prime is 82685279. The next prime is 82685287. The reversal of 82685284 is 48258628.

It is a self number, because there is not a number n which added to its sum of digits gives 82685284.

It is not an unprimeable number, because it can be changed into a prime (82685287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939562 + ... + 939649.

It is an arithmetic number, because the mean of its divisors is an integer number (13154484).

Almost surely, 2^82685284 is an apocalyptic number.

It is an amenable number.

82685284 is a deficient number, since it is larger than the sum of its proper divisors (75168524).

82685284 is a wasteful number, since it uses less digits than its factorization.

82685284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879226 (or 1879224 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 82685284 is about 9093.1448905206. The cubic root of 82685284 is about 435.6550381400.

The spelling of 82685284 in words is "eighty-two million, six hundred eighty-five thousand, two hundred eighty-four".