84840844 has 18 divisors (see below), whose sum is σ = 163196852. Its totient is φ = 38563800.

The previous prime is 84840817. The next prime is 84840851. The reversal of 84840844 is 44804848.

It is a junction number, because it is equal to n+sod(n) for n = 84840797 and 84840806.

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 5 ways as a sum of consecutive naturals, for example, 87162 + ... + 88129.

Almost surely, 2^84840844 is an apocalyptic number.

It is an amenable number.

84840844 is a deficient number, since it is larger than the sum of its proper divisors (78356008).

84840844 is a wasteful number, since it uses less digits than its factorization.

84840844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175317 (or 175304 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 84840844 is about 9210.9089670890. The cubic root of 84840844 is about 439.4083715135.

The spelling of 84840844 in words is "eighty-four million, eight hundred forty thousand, eight hundred forty-four".