84204684 has 60 divisors (see below), whose sum is σ = 221127984. Its totient is φ = 27940896.

The previous prime is 84204647. The next prime is 84204709. The reversal of 84204684 is 48640248.

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

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 19 ways as a sum of consecutive naturals, for example, 94489 + ... + 95375.

Almost surely, 2^84204684 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 84204684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110563992).

84204684 is an abundant number, since it is smaller than the sum of its proper divisors (136923300).

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

84204684 is a wasteful number, since it uses less digits than its factorization.

84204684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 84204684 is about 9176.3110234996. The cubic root of 84204684 is about 438.3073466774.

The spelling of 84204684 in words is "eighty-four million, two hundred four thousand, six hundred eighty-four".