84400484 has 12 divisors (see below), whose sum is σ = 168801024. Its totient is φ = 36171624.

The previous prime is 84400471. The next prime is 84400493. The reversal of 84400484 is 48400448.

It is a happy number.

84400484 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 84400484.

It is an unprimeable number.

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, 1507124 + ... + 1507179.

It is an arithmetic number, because the mean of its divisors is an integer number (14066752).

Almost surely, 2^84400484 is an apocalyptic number.

It is an amenable number.

84400484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84400484 is a wasteful number, since it uses less digits than its factorization.

84400484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014314 (or 3014312 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 84400484 is about 9186.9736039677. The cubic root of 84400484 is about 438.6468137199.

The spelling of 84400484 in words is "eighty-four million, four hundred thousand, four hundred eighty-four".