84549556 has 48 divisors (see below), whose sum is σ = 183863680. Its totient is φ = 33125760.

The previous prime is 84549523. The next prime is 84549557. The reversal of 84549556 is 65594548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84549557) 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 15 ways as a sum of consecutive naturals, for example, 38611 + ... + 40741.

Almost surely, 2^84549556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84549556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91931840).

84549556 is an abundant number, since it is smaller than the sum of its proper divisors (99314124).

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

84549556 is a wasteful number, since it uses less digits than its factorization.

84549556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2262 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 84549556 is about 9195.0832513904. The cubic root of 84549556 is about 438.9049145198.

The spelling of 84549556 in words is "eighty-four million, five hundred forty-nine thousand, five hundred fifty-six".