3406181 has 2 divisors, whose sum is σ = 3406182. Its totient is φ = 3406180.

The previous prime is 3406163. The next prime is 3406189. The reversal of 3406181 is 1816043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3389281 + 16900 = 1841^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406181 - 2¹⁴ = 3389797 is a prime.

It is a super-2 number, since 2×3406181² = 23204138009522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3406189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703090 + 1703091.

It is an arithmetic number, because the mean of its divisors is an integer number (1703091).

Almost surely, 2^3406181 is an apocalyptic number.

It is an amenable number.

3406181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3406181 is an equidigital number, since it uses as much as digits as its factorization.

3406181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3406181 is about 1845.5841893558. The cubic root of 3406181 is about 150.4605254028.

The spelling of 3406181 in words is "three million, four hundred six thousand, one hundred eighty-one".