84084012 has 18 divisors (see below), whose sum is σ = 212545788. Its totient is φ = 28027992.

The previous prime is 84084001. The next prime is 84084031. The reversal of 84084012 is 21048048.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×84084012² = 14140242148032288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1167798 + ... + 1167869.

Almost surely, 2^84084012 is an apocalyptic number.

It is an amenable number.

84084012 is an abundant number, since it is smaller than the sum of its proper divisors (128461776).

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

84084012 is a wasteful number, since it uses less digits than its factorization.

84084012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335677 (or 2335672 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 84084012 is about 9169.7334748617. The cubic root of 84084012 is about 438.0978701668.

The spelling of 84084012 in words is "eighty-four million, eighty-four thousand, twelve".