3901218 has 16 divisors (see below), whose sum is σ = 7984416. Its totient is φ = 1270080.

The previous prime is 3901217. The next prime is 3901223. The reversal of 3901218 is 8121093.

3901218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3901217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7303 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (499026).

Almost surely, 2^3901218 is an apocalyptic number.

3901218 is an abundant number, since it is smaller than the sum of its proper divisors (4083198).

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

3901218 is a wasteful number, since it uses less digits than its factorization.

3901218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 3901218 is about 1975.1501208769. The cubic root of 3901218 is about 157.4224763353.

The spelling of 3901218 in words is "three million, nine hundred one thousand, two hundred eighteen".