4327861 has 2 divisors, whose sum is σ = 4327862. Its totient is φ = 4327860.

The previous prime is 4327859. The next prime is 4327867. The reversal of 4327861 is 1687234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 2047761 = 1510^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 4327861 - 2¹ = 4327859 is a prime.

Together with 4327859, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4327867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2163930 + 2163931.

It is an arithmetic number, because the mean of its divisors is an integer number (2163931).

Almost surely, 2^4327861 is an apocalyptic number.

It is an amenable number.

4327861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4327861 is an equidigital number, since it uses as much as digits as its factorization.

4327861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 4327861 is about 2080.3511722784. The cubic root of 4327861 is about 162.9637843438.

The spelling of 4327861 in words is "four million, three hundred twenty-seven thousand, eight hundred sixty-one".