8426819 has 2 divisors, whose sum is σ = 8426820. Its totient is φ = 8426818.

The previous prime is 8426801. The next prime is 8426827. The reversal of 8426819 is 9186248.

8426819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8426819 - 2⁸ = 8426563 is a prime.

It is a super-2 number, since 2×8426819² = 142022556917522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8426419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4213409 + 4213410.

It is an arithmetic number, because the mean of its divisors is an integer number (4213410).

Almost surely, 2^8426819 is an apocalyptic number.

8426819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8426819 is an equidigital number, since it uses as much as digits as its factorization.

8426819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 8426819 is about 2902.8983792065. The cubic root of 8426819 is about 203.4953806903.

The spelling of 8426819 in words is "eight million, four hundred twenty-six thousand, eight hundred nineteen".