4396181 has 2 divisors, whose sum is σ = 4396182. Its totient is φ = 4396180.

The previous prime is 4396127. The next prime is 4396199. The reversal of 4396181 is 1816934.

It is a happy number.

4396181 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 1540081 = 1690^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4396181 - 2¹⁴ = 4379797 is a prime.

It is a super-2 number, since 2×4396181² = 38652814769522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4396111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198090 + 2198091.

It is an arithmetic number, because the mean of its divisors is an integer number (2198091).

Almost surely, 2^4396181 is an apocalyptic number.

It is an amenable number.

4396181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4396181 is an equidigital number, since it uses as much as digits as its factorization.

4396181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 4396181 is about 2096.7071803187. The cubic root of 4396181 is about 163.8168314892.

The spelling of 4396181 in words is "four million, three hundred ninety-six thousand, one hundred eighty-one".