84856612 has 12 divisors (see below), whose sum is σ = 150933916. Its totient is φ = 41732640.

The previous prime is 84856549. The next prime is 84856613. The reversal of 84856612 is 21665848.

It can be written as a sum of positive squares in 2 ways, for example, as 33246756 + 51609856 = 5766^2 + 7184^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84856613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173643 + ... + 174130.

Almost surely, 2^84856612 is an apocalyptic number.

It is an amenable number.

84856612 is a deficient number, since it is larger than the sum of its proper divisors (66077304).

84856612 is a wasteful number, since it uses less digits than its factorization.

84856612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347838 (or 347836 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 84856612 is about 9211.7648689054. The cubic root of 84856612 is about 439.4355917441.

The spelling of 84856612 in words is "eighty-four million, eight hundred fifty-six thousand, six hundred twelve".