3918366 has 12 divisors (see below), whose sum is σ = 8489832. Its totient is φ = 1306116.

The previous prime is 3918359. The next prime is 3918377. The reversal of 3918366 is 6638193.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3918366.

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 5 ways as a sum of consecutive naturals, for example, 108826 + ... + 108861.

It is an arithmetic number, because the mean of its divisors is an integer number (707486).

Almost surely, 2^3918366 is an apocalyptic number.

3918366 is an abundant number, since it is smaller than the sum of its proper divisors (4571466).

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

3918366 is a wasteful number, since it uses less digits than its factorization.

3918366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217695 (or 217692 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3918366 is about 1979.4862969973. The cubic root of 3918366 is about 157.6527920145.

The spelling of 3918366 in words is "three million, nine hundred eighteen thousand, three hundred sixty-six".