4201818 has 8 divisors (see below), whose sum is σ = 8403648. Its totient is φ = 1400604.

The previous prime is 4201817. The next prime is 4201837. The reversal of 4201818 is 8181024.

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

4201818 is an admirable number.

4201818 is a modest number, since divided by 1818 gives 420 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4201811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350146 + ... + 350157.

It is an arithmetic number, because the mean of its divisors is an integer number (1050456).

Almost surely, 2^4201818 is an apocalyptic number.

4201818 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.

4201818 is a wasteful number, since it uses less digits than its factorization.

4201818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700308.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 4201818 is about 2049.8336517874. The cubic root of 4201818 is about 161.3661407148.

The spelling of 4201818 in words is "four million, two hundred one thousand, eight hundred eighteen".