1008493 has 2 divisors, whose sum is σ = 1008494. Its totient is φ = 1008492.

The previous prime is 1008467. The next prime is 1008499. The reversal of 1008493 is 3948001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 4489 = 1002^2 + 67^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008493 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1008499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504246 + 504247.

It is an arithmetic number, because the mean of its divisors is an integer number (504247).

2^1008493 is an apocalyptic number.

It is an amenable number.

1008493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008493 is an equidigital number, since it uses as much as digits as its factorization.

1008493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1008493 is about 1004.2375217049. The cubic root of 1008493 is about 100.2823023042.

The spelling of 1008493 in words is "one million, eight thousand, four hundred ninety-three".