8432861 has 2 divisors, whose sum is σ = 8432862. Its totient is φ = 8432860.

The previous prime is 8432849. The next prime is 8432873. The reversal of 8432861 is 1682348.

It is a balanced prime because it is at equal distance from previous prime (8432849) and next prime (8432873).

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 3115225 = 2306^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 8432861 - 2⁶ = 8432797 is a prime.

It is a super-2 number, since 2×8432861² = 142226289290642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8432161) 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, 4216430 + 4216431.

It is an arithmetic number, because the mean of its divisors is an integer number (4216431).

Almost surely, 2^8432861 is an apocalyptic number.

It is an amenable number.

8432861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8432861 is an equidigital number, since it uses as much as digits as its factorization.

8432861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 8432861 is about 2903.9388767672. The cubic root of 8432861 is about 203.5440042319.

The spelling of 8432861 in words is "eight million, four hundred thirty-two thousand, eight hundred sixty-one".