8208919 has 2 divisors, whose sum is σ = 8208920. Its totient is φ = 8208918.

The previous prime is 8208917. The next prime is 8208929. The reversal of 8208919 is 9198028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8208919 - 2¹ = 8208917 is a prime.

It is a super-2 number, since 2×8208919² = 134772702297122, which contains 22 as substring.

Together with 8208917, it forms a pair of twin primes.

It is equal to p₅₅₂₈₈₉ and since 8208919 and 552889 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8208911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104459 + 4104460.

It is an arithmetic number, because the mean of its divisors is an integer number (4104460).

Almost surely, 2^8208919 is an apocalyptic number.

8208919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8208919 is an equidigital number, since it uses as much as digits as its factorization.

8208919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 8208919 is about 2865.1211143685. The cubic root of 8208919 is about 201.7260525271.

The spelling of 8208919 in words is "eight million, two hundred eight thousand, nine hundred nineteen".