84084156 has 60 divisors (see below), whose sum is σ = 236733112. Its totient is φ = 25870752.

The previous prime is 84084151. The next prime is 84084167. The reversal of 84084156 is 65148048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 84084156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84084151) 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 19 ways as a sum of consecutive naturals, for example, 5770 + ... + 14193.

Almost surely, 2^84084156 is an apocalyptic number.

It is an amenable number.

84084156 is an abundant number, since it is smaller than the sum of its proper divisors (152648956).

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

84084156 is a wasteful number, since it uses less digits than its factorization.

84084156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19992 (or 19981 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 84084156 is about 9169.7413267769. The cubic root of 84084156 is about 438.0981202581.

The spelling of 84084156 in words is "eighty-four million, eighty-four thousand, one hundred fifty-six".