8490019 has 2 divisors, whose sum is σ = 8490020. Its totient is φ = 8490018.

The previous prime is 8489969. The next prime is 8490023. The reversal of 8490019 is 9100948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8490019 - 2⁷ = 8489891 is a prime.

It is a super-2 number, since 2×8490019² = 144160845240722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8490619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245009 + 4245010.

It is an arithmetic number, because the mean of its divisors is an integer number (4245010).

Almost surely, 2^8490019 is an apocalyptic number.

8490019 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490019 is an equidigital number, since it uses as much as digits as its factorization.

8490019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 8490019 is about 2913.7637172564. The cubic root of 8490019 is about 204.0028434180.

The spelling of 8490019 in words is "eight million, four hundred ninety thousand, nineteen".