4261218 has 16 divisors (see below), whose sum is σ = 9178176. Its totient is φ = 1311120.

The previous prime is 4261211. The next prime is 4261219. The reversal of 4261218 is 8121624.

It is a d-powerful number, because it can be written as 4² + 2¹⁶ + 6⁴ + 1 + 2²² + 1 + 8² .

It is not an unprimeable number, because it can be changed into a prime (4261211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27238 + ... + 27393.

It is an arithmetic number, because the mean of its divisors is an integer number (573636).

Almost surely, 2^4261218 is an apocalyptic number.

4261218 is an abundant number, since it is smaller than the sum of its proper divisors (4916958).

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

4261218 is a wasteful number, since it uses less digits than its factorization.

4261218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54649.

The product of its digits is 768, while the sum is 24.

The square root of 4261218 is about 2064.2717844315. The cubic root of 4261218 is about 162.1229823649.

The spelling of 4261218 in words is "four million, two hundred sixty-one thousand, two hundred eighteen".