4218967 has 2 divisors, whose sum is σ = 4218968. Its totient is φ = 4218966.

The previous prime is 4218961. The next prime is 4218971. The reversal of 4218967 is 7698124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4218967 - 2¹⁹ = 3694679 is a prime.

It is a super-3 number, since 3×4218967³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

4218967 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109483 + 2109484.

It is an arithmetic number, because the mean of its divisors is an integer number (2109484).

Almost surely, 2^4218967 is an apocalyptic number.

4218967 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218967 is an equidigital number, since it uses as much as digits as its factorization.

4218967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 4218967 is about 2054.0124147629. The cubic root of 4218967 is about 161.5853721483.

The spelling of 4218967 in words is "four million, two hundred eighteen thousand, nine hundred sixty-seven".