3944418 has 8 divisors (see below), whose sum is σ = 7888848. Its totient is φ = 1314804.

The previous prime is 3944411. The next prime is 3944429. The reversal of 3944418 is 8144493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3944418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3944411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328696 + ... + 328707.

It is an arithmetic number, because the mean of its divisors is an integer number (986106).

Almost surely, 2^3944418 is an apocalyptic number.

3944418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3944418 is a wasteful number, since it uses less digits than its factorization.

3944418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657408.

The product of its digits is 13824, while the sum is 33.

The square root of 3944418 is about 1986.0558904522. The cubic root of 3944418 is about 158.0014153588.

The spelling of 3944418 in words is "three million, nine hundred forty-four thousand, four hundred eighteen".