84441689 has 8 divisors (see below), whose sum is σ = 85096320. Its totient is φ = 83790000.

The previous prime is 84441677. The next prime is 84441691. The reversal of 84441689 is 98614448.

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 84441689 - 2⁸ = 84441433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84441619) 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, 112064 + ... + 112814.

It is an arithmetic number, because the mean of its divisors is an integer number (10637040).

Almost surely, 2^84441689 is an apocalyptic number.

It is an amenable number.

84441689 is a deficient number, since it is larger than the sum of its proper divisors (654631).

84441689 is a wasteful number, since it uses less digits than its factorization.

84441689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its digits is 221184, while the sum is 44.

The square root of 84441689 is about 9189.2159077910. The cubic root of 84441689 is about 438.7181857490.

The spelling of 84441689 in words is "eighty-four million, four hundred forty-one thousand, six hundred eighty-nine".