4041218 has 4 divisors (see below), whose sum is σ = 6061830. Its totient is φ = 2020608.

The previous prime is 4041217. The next prime is 4041229. The reversal of 4041218 is 8121404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 69169 = 1993^2 + 263^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4041218.

It is not an unprimeable number, because it can be changed into a prime (4041211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010303 + ... + 1010306.

Almost surely, 2^4041218 is an apocalyptic number.

4041218 is a deficient number, since it is larger than the sum of its proper divisors (2020612).

4041218 is a wasteful number, since it uses less digits than its factorization.

4041218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020611.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4041218 is about 2010.2780902154. The cubic root of 4041218 is about 159.2834888213.

The spelling of 4041218 in words is "four million, forty-one thousand, two hundred eighteen".