8242919 has 2 divisors, whose sum is σ = 8242920. Its totient is φ = 8242918.

The previous prime is 8242889. The next prime is 8242933. The reversal of 8242919 is 9192428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8242919 - 2¹² = 8238823 is a prime.

It is a super-2 number, since 2×8242919² = 135891427281122, 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 (8242519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121459 + 4121460.

It is an arithmetic number, because the mean of its divisors is an integer number (4121460).

Almost surely, 2^8242919 is an apocalyptic number.

8242919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8242919 is an equidigital number, since it uses as much as digits as its factorization.

8242919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 8242919 is about 2871.0484147781. The cubic root of 8242919 is about 202.0041743411.

The spelling of 8242919 in words is "eight million, two hundred forty-two thousand, nine hundred nineteen".