84544144 has 20 divisors (see below), whose sum is σ = 164208240. Its totient is φ = 42167840.

The previous prime is 84544127. The next prime is 84544153. The reversal of 84544144 is 44144548.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399 + ... + 13009.

It is an arithmetic number, because the mean of its divisors is an integer number (8210412).

Almost surely, 2^84544144 is an apocalyptic number.

It is an amenable number.

84544144 is a deficient number, since it is larger than the sum of its proper divisors (79664096).

84544144 is a wasteful number, since it uses less digits than its factorization.

84544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038 (or 13032 counting only the distinct ones).

The product of its digits is 40960, while the sum is 34.

The square root of 84544144 is about 9194.7889589702. The cubic root of 84544144 is about 438.8955495817.

The spelling of 84544144 in words is "eighty-four million, five hundred forty-four thousand, one hundred forty-four".