84840556 has 12 divisors (see below), whose sum is σ = 152483968. Its totient is φ = 41273712.

The previous prime is 84840551. The next prime is 84840571. The reversal of 84840556 is 65504848.

84840556 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

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

84840556 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (84840551) by changing a digit.

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, 286476 + ... + 286771.

Almost surely, 2^84840556 is an apocalyptic number.

It is an amenable number.

84840556 is a deficient number, since it is larger than the sum of its proper divisors (67643412).

84840556 is a wasteful number, since it uses less digits than its factorization.

84840556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573288 (or 573286 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 84840556 is about 9210.8933334395. The cubic root of 84840556 is about 439.4078743090.

The spelling of 84840556 in words is "eighty-four million, eight hundred forty thousand, five hundred fifty-six".