84804012 has 36 divisors (see below), whose sum is σ = 214741800. Its totient is φ = 28218432.

The previous prime is 84803987. The next prime is 84804019. The reversal of 84804012 is 21040848.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×84804012² = 14383440902592288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84804019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22864 + ... + 26312.

It is an arithmetic number, because the mean of its divisors is an integer number (5965050).

Almost surely, 2^84804012 is an apocalyptic number.

It is an amenable number.

84804012 is an abundant number, since it is smaller than the sum of its proper divisors (129937788).

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

84804012 is a wasteful number, since it uses less digits than its factorization.

84804012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4137 counting only the distinct ones).

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

The square root of 84804012 is about 9208.9093816803. The cubic root of 84804012 is about 439.3447754476.

The spelling of 84804012 in words is "eighty-four million, eight hundred four thousand, twelve".