3918606 has 16 divisors (see below), whose sum is σ = 7919184. Its totient is φ = 1292544.

The previous prime is 3918589. The next prime is 3918613. The reversal of 3918606 is 6068193.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2785 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (494949).

Almost surely, 2^3918606 is an apocalyptic number.

3918606 is an abundant number, since it is smaller than the sum of its proper divisors (4000578).

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

3918606 is a wasteful number, since it uses less digits than its factorization.

3918606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3918606 is about 1979.5469178577. The cubic root of 3918606 is about 157.6560106944.

The spelling of 3918606 in words is "three million, nine hundred eighteen thousand, six hundred six".