84684612 has 12 divisors (see below), whose sum is σ = 197597456. Its totient is φ = 28228200.

The previous prime is 84684581. The next prime is 84684623. The reversal of 84684612 is 21648648.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 3528514 + ... + 3528537.

Almost surely, 2^84684612 is an apocalyptic number.

It is an amenable number.

84684612 is an abundant number, since it is smaller than the sum of its proper divisors (112912844).

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

84684612 is a wasteful number, since it uses less digits than its factorization.

84684612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057058 (or 7057056 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 84684612 is about 9202.4242458170. The cubic root of 84684612 is about 439.1384864463.

It can be divided in two parts, 846 and 84612, that added together give a palindrome (85458).

The spelling of 84684612 in words is "eighty-four million, six hundred eighty-four thousand, six hundred twelve".