4218036 has 12 divisors (see below), whose sum is σ = 9842112. Its totient is φ = 1406008.

The previous prime is 4218031. The next prime is 4218061. The reversal of 4218036 is 6308124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4217997 and 4218015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218031) 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, 175740 + ... + 175763.

It is an arithmetic number, because the mean of its divisors is an integer number (820176).

Almost surely, 2^4218036 is an apocalyptic number.

It is an amenable number.

4218036 is an abundant number, since it is smaller than the sum of its proper divisors (5624076).

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

4218036 is a wasteful number, since it uses less digits than its factorization.

4218036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351510 (or 351508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4218036 is about 2053.7857726647. The cubic root of 4218036 is about 161.5734855855.

Adding to 4218036 its sum of digits (24), we get a triangular number (4218060 = T₂₉₀₄).

The spelling of 4218036 in words is "four million, two hundred eighteen thousand, thirty-six".