84584012 has 24 divisors (see below), whose sum is σ = 150259200. Its totient is φ = 41657616.

The previous prime is 84583969. The next prime is 84584021. The reversal of 84584012 is 21048548.

It is a happy number.

It is a super-2 number, since 2×84584012² = 14308910172032288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84584012.

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 7 ways as a sum of consecutive naturals, for example, 98039 + ... + 98897.

It is an arithmetic number, because the mean of its divisors is an integer number (6260800).

Almost surely, 2^84584012 is an apocalyptic number.

It is an amenable number.

84584012 is a deficient number, since it is larger than the sum of its proper divisors (65675188).

84584012 is a wasteful number, since it uses less digits than its factorization.

84584012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 84584012 is about 9196.9566705514. The cubic root of 84584012 is about 438.9645278977.

The spelling of 84584012 in words is "eighty-four million, five hundred eighty-four thousand, twelve".