4446918 has 48 divisors (see below), whose sum is σ = 11400480. Its totient is φ = 1225728.

The previous prime is 4446899. The next prime is 4446971. The reversal of 4446918 is 8196444.

It is a happy number.

4446918 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3046 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (237510).

Almost surely, 2^4446918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4446918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5700240).

4446918 is an abundant number, since it is smaller than the sum of its proper divisors (6953562).

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

4446918 is a wasteful number, since it uses less digits than its factorization.

4446918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1258 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4446918 is about 2108.7716803865. The cubic root of 4446918 is about 164.4446341948. Note that the first 3 decimals are identical.

The spelling of 4446918 in words is "four million, four hundred forty-six thousand, nine hundred eighteen".