3918446 has 16 divisors (see below), whose sum is σ = 7071360. Its totient is φ = 1590840.

The previous prime is 3918443. The next prime is 3918491. The reversal of 3918446 is 6448193.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918443) 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, 7100 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (441960).

Almost surely, 2^3918446 is an apocalyptic number.

3918446 is a deficient number, since it is larger than the sum of its proper divisors (3152914).

3918446 is a wasteful number, since it uses less digits than its factorization.

3918446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14759.

The product of its digits is 20736, while the sum is 35.

The square root of 3918446 is about 1979.5065041570. The cubic root of 3918446 is about 157.6538649224.

The spelling of 3918446 in words is "three million, nine hundred eighteen thousand, four hundred forty-six".