84363844 has 12 divisors (see below), whose sum is σ = 148104684. Its totient is φ = 42048224.

The previous prime is 84363821. The next prime is 84363847. The reversal of 84363844 is 44836348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 39312900 = 6712^2 + 6270^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84363797 and 84363806.

It is not an unprimeable number, because it can be changed into a prime (84363847) 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, 31999 + ... + 34534.

It is an arithmetic number, because the mean of its divisors is an integer number (12342057).

Almost surely, 2^84363844 is an apocalyptic number.

It is an amenable number.

84363844 is a deficient number, since it is larger than the sum of its proper divisors (63740840).

84363844 is a wasteful number, since it uses less digits than its factorization.

84363844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66854 (or 66852 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 84363844 is about 9184.9792596391. The cubic root of 84363844 is about 438.5833293069.

The spelling of 84363844 in words is "eighty-four million, three hundred sixty-three thousand, eight hundred forty-four".