4218793 has 2 divisors, whose sum is σ = 4218794. Its totient is φ = 4218792.

The previous prime is 4218791. The next prime is 4218803. The reversal of 4218793 is 3978124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4173849 + 44944 = 2043^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218793 - 2¹ = 4218791 is a prime.

Together with 4218791, it forms a pair of twin primes.

It is equal to p₂₉₇₅₅₆ and since 4218793 and 297556 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4218791) 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 as a sum of consecutive naturals, namely, 2109396 + 2109397.

It is an arithmetic number, because the mean of its divisors is an integer number (2109397).

Almost surely, 2^4218793 is an apocalyptic number.

It is an amenable number.

4218793 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218793 is an equidigital number, since it uses as much as digits as its factorization.

4218793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 4218793 is about 2053.9700582044. The cubic root of 4218793 is about 161.5831507324.

The spelling of 4218793 in words is "four million, two hundred eighteen thousand, seven hundred ninety-three".