4471686 has 28 divisors (see below), whose sum is σ = 10059972. Its totient is φ = 1490076.

The previous prime is 4471681. The next prime is 4471693. The reversal of 4471686 is 6861744.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4471686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4471681) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 76 + ... + 2991.

Almost surely, 2^4471686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4471686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5029986).

4471686 is an abundant number, since it is smaller than the sum of its proper divisors (5588286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4471686 is an equidigital number, since it uses as much as digits as its factorization.

4471686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087 (or 3072 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4471686 is about 2114.6361389137. The cubic root of 4471686 is about 164.7493715642.

The spelling of 4471686 in words is "four million, four hundred seventy-one thousand, six hundred eighty-six".