8618443 has 2 divisors, whose sum is σ = 8618444. Its totient is φ = 8618442.

The previous prime is 8618429. The next prime is 8618479. The reversal of 8618443 is 3448168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8618443 - 2¹⁷ = 8487371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8618399 and 8618408.

It is not a weakly prime, because it can be changed into another prime (8618413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309221 + 4309222.

It is an arithmetic number, because the mean of its divisors is an integer number (4309222).

Almost surely, 2^8618443 is an apocalyptic number.

8618443 is a deficient number, since it is larger than the sum of its proper divisors (1).

8618443 is an equidigital number, since it uses as much as digits as its factorization.

8618443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 8618443 is about 2935.7184810537. The cubic root of 8618443 is about 205.0263142901.

The spelling of 8618443 in words is "eight million, six hundred eighteen thousand, four hundred forty-three".