8394493 has 2 divisors, whose sum is σ = 8394494. Its totient is φ = 8394492.

The previous prime is 8394487. The next prime is 8394499. The reversal of 8394493 is 3944938.

It is a balanced prime because it is at equal distance from previous prime (8394487) and next prime (8394499).

It can be written as a sum of positive squares in only one way, i.e., 4848804 + 3545689 = 2202^2 + 1883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8394493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8394499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4197246 + 4197247.

It is an arithmetic number, because the mean of its divisors is an integer number (4197247).

Almost surely, 2^8394493 is an apocalyptic number.

It is an amenable number.

8394493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8394493 is an equidigital number, since it uses as much as digits as its factorization.

8394493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 8394493 is about 2897.3251457163. The cubic root of 8394493 is about 203.2348386775.

The spelling of 8394493 in words is "eight million, three hundred ninety-four thousand, four hundred ninety-three".