3418861 has 2 divisors, whose sum is σ = 3418862. Its totient is φ = 3418860.

The previous prime is 3418859. The next prime is 3418889. The reversal of 3418861 is 1688143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2996361 + 422500 = 1731^2 + 650^2 .

It is an emirp because it is prime and its reverse (1688143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3418861 - 2¹ = 3418859 is a prime.

It is a super-2 number, since 2×3418861² = 23377221074642, which contains 22 as substring.

Together with 3418859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3418061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709430 + 1709431.

It is an arithmetic number, because the mean of its divisors is an integer number (1709431).

Almost surely, 2^3418861 is an apocalyptic number.

It is an amenable number.

3418861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3418861 is an equidigital number, since it uses as much as digits as its factorization.

3418861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 31.

The square root of 3418861 is about 1849.0162249153. The cubic root of 3418861 is about 150.6469978719.

The spelling of 3418861 in words is "three million, four hundred eighteen thousand, eight hundred sixty-one".