8490673 has 2 divisors, whose sum is σ = 8490674. Its totient is φ = 8490672.

The previous prime is 8490661. The next prime is 8490721. The reversal of 8490673 is 3760948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 3504384 = 2233^2 + 1872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8490673 is a prime.

It is not a weakly prime, because it can be changed into another prime (8490613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245336 + 4245337.

It is an arithmetic number, because the mean of its divisors is an integer number (4245337).

Almost surely, 2^8490673 is an apocalyptic number.

It is an amenable number.

8490673 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490673 is an equidigital number, since it uses as much as digits as its factorization.

8490673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 8490673 is about 2913.8759410792. The cubic root of 8490673 is about 204.0080815073.

The spelling of 8490673 in words is "eight million, four hundred ninety thousand, six hundred seventy-three".