84066844 has 12 divisors (see below), whose sum is σ = 147269304. Its totient is φ = 41989904.

The previous prime is 84066841. The next prime is 84066859. The reversal of 84066844 is 44866048.

It is a junction number, because it is equal to n+sod(n) for n = 84066797 and 84066806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84066841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6322 + ... + 14425.

It is an arithmetic number, because the mean of its divisors is an integer number (12272442).

Almost surely, 2^84066844 is an apocalyptic number.

It is an amenable number.

84066844 is a deficient number, since it is larger than the sum of its proper divisors (63202460).

84066844 is a wasteful number, since it uses less digits than its factorization.

84066844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21764 (or 21762 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 84066844 is about 9168.7973038998. The cubic root of 84066844 is about 438.0680516713.

The spelling of 84066844 in words is "eighty-four million, sixty-six thousand, eight hundred forty-four".