84084684 has 24 divisors (see below), whose sum is σ = 196712880. Its totient is φ = 27954624.

The previous prime is 84084673. The next prime is 84084697. The reversal of 84084684 is 48648048.

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 7 ways as a sum of consecutive naturals, for example, 4339 + ... + 13674.

It is an arithmetic number, because the mean of its divisors is an integer number (8196370).

Almost surely, 2^84084684 is an apocalyptic number.

It is an amenable number.

84084684 is an abundant number, since it is smaller than the sum of its proper divisors (112628196).

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

84084684 is a wasteful number, since it uses less digits than its factorization.

84084684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18409 (or 18407 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 84084684 is about 9169.7701170749. The cubic root of 84084684 is about 438.0990372574.

The spelling of 84084684 in words is "eighty-four million, eighty-four thousand, six hundred eighty-four".