8490919 has 2 divisors, whose sum is σ = 8490920. Its totient is φ = 8490918.

The previous prime is 8490917. The next prime is 8490941. The reversal of 8490919 is 9190948.

8490919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8490919 - 2¹ = 8490917 is a prime.

It is a super-2 number, since 2×8490919² = 144191410929122, which contains 22 as substring.

Together with 8490917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8490913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245459 + 4245460.

It is an arithmetic number, because the mean of its divisors is an integer number (4245460).

Almost surely, 2^8490919 is an apocalyptic number.

8490919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490919 is an equidigital number, since it uses as much as digits as its factorization.

8490919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 8490919 is about 2913.9181525911. The cubic root of 8490919 is about 204.0100517282.

It can be divided in two parts, 8490 and 919, that added together give a square (9409 = 97²).

The spelling of 8490919 in words is "eight million, four hundred ninety thousand, nine hundred nineteen".