4444686 has 32 divisors (see below), whose sum is σ = 10069920. Its totient is φ = 1452672.

The previous prime is 4444669. The next prime is 4444697. The reversal of 4444686 is 6864444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2086 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (314685).

Almost surely, 2^4444686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5034960).

4444686 is an abundant number, since it is smaller than the sum of its proper divisors (5625234).

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

4444686 is a wasteful number, since it uses less digits than its factorization.

4444686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1611 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4444686 is about 2108.2423959308. The cubic root of 4444686 is about 164.4171168709.

The spelling of 4444686 in words is "four million, four hundred forty-four thousand, six hundred eighty-six".