84440044 has 12 divisors (see below), whose sum is σ = 159137104. Its totient is φ = 38972304.

The previous prime is 84440029. The next prime is 84440093. The reversal of 84440044 is 44004448.

It is a junction number, because it is equal to n+sod(n) for n = 84439994 and 84440021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811872 + ... + 811975.

Almost surely, 2^84440044 is an apocalyptic number.

It is an amenable number.

84440044 is a deficient number, since it is larger than the sum of its proper divisors (74697060).

84440044 is a wasteful number, since it uses less digits than its factorization.

84440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623864 (or 1623862 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 84440044 is about 9189.1264002624. The cubic root of 84440044 is about 438.7153368556.

The spelling of 84440044 in words is "eighty-four million, four hundred forty thousand, forty-four".