84544417 has 8 divisors (see below), whose sum is σ = 89811072. Its totient is φ = 79310400.

The previous prime is 84544379. The next prime is 84544441. The reversal of 84544417 is 71444548.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84544417 - 2⁷ = 84544289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84544477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (11226384).

Almost surely, 2^84544417 is an apocalyptic number.

It is an amenable number.

84544417 is a deficient number, since it is larger than the sum of its proper divisors (5266655).

84544417 is a wasteful number, since it uses less digits than its factorization.

84544417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319.

The product of its digits is 71680, while the sum is 37.

The square root of 84544417 is about 9194.8038043234. The cubic root of 84544417 is about 438.8960219912.

The spelling of 84544417 in words is "eighty-four million, five hundred forty-four thousand, four hundred seventeen".