4218669 has 64 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 2073600.

The previous prime is 4218667. The next prime is 4218671. The reversal of 4218669 is 9668124.

It is an interprime number because it is at equal distance from previous prime (4218667) and next prime (4218671).

It is not a de Polignac number, because 4218669 - 2¹ = 4218667 is a prime.

It is a super-2 number, since 2×4218669² = 35594336263122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218667) 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 63 ways as a sum of consecutive naturals, for example, 41719 + ... + 41819.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

Almost surely, 2^4218669 is an apocalyptic number.

It is an amenable number.

4218669 is a deficient number, since it is larger than the sum of its proper divisors (4006611).

4218669 is a wasteful number, since it uses less digits than its factorization.

4218669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4218669 is about 2053.9398725377. The cubic root of 4218669 is about 161.5815676171.

It can be divided in two parts, 421866 and 9, that added together give a cube (421875 = 75³).

The spelling of 4218669 in words is "four million, two hundred eighteen thousand, six hundred sixty-nine".