84126812 has 48 divisors (see below), whose sum is σ = 194358528. Its totient is φ = 30846720.

The previous prime is 84126811. The next prime is 84126817. The reversal of 84126812 is 21862148.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84126811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798 + ... + 13269.

It is an arithmetic number, because the mean of its divisors is an integer number (4049136).

Almost surely, 2^84126812 is an apocalyptic number.

It is an amenable number.

84126812 is an abundant number, since it is smaller than the sum of its proper divisors (110231716).

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

84126812 is a wasteful number, since it uses less digits than its factorization.

84126812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106 (or 16104 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 84126812 is about 9172.0669426253. The cubic root of 84126812 is about 438.1721903134.

The spelling of 84126812 in words is "eighty-four million, one hundred twenty-six thousand, eight hundred twelve".