4471986 has 24 divisors (see below), whose sum is σ = 9504720. Its totient is φ = 1402432.

The previous prime is 4471979. The next prime is 4471997. The reversal of 4471986 is 6891744.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (396030).

Almost surely, 2^4471986 is an apocalyptic number.

4471986 is an abundant number, since it is smaller than the sum of its proper divisors (5032734).

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

4471986 is a wasteful number, since it uses less digits than its factorization.

4471986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2601 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 4471986 is about 2114.7070719133. The cubic root of 4471986 is about 164.7530557605.

The spelling of 4471986 in words is "four million, four hundred seventy-one thousand, nine hundred eighty-six".