3819918 has 8 divisors (see below), whose sum is σ = 7639848. Its totient is φ = 1273304.

The previous prime is 3819901. The next prime is 3819923. The reversal of 3819918 is 8199183.

It is a happy number.

3819918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3819918 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318321 + ... + 318332.

It is an arithmetic number, because the mean of its divisors is an integer number (954981).

Almost surely, 2^3819918 is an apocalyptic number.

3819918 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.

3819918 is a wasteful number, since it uses less digits than its factorization.

3819918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636658.

The product of its digits is 15552, while the sum is 39.

The square root of 3819918 is about 1954.4610510317. The cubic root of 3819918 is about 156.3212479336.

The spelling of 3819918 in words is "three million, eight hundred nineteen thousand, nine hundred eighteen".