847493 has 2 divisors, whose sum is σ = 847494. Its totient is φ = 847492.

The previous prime is 847477. The next prime is 847499. The reversal of 847493 is 394748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 13924 = 913^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 847493 - 2⁴ = 847477 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847499) 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, 423746 + 423747.

It is an arithmetic number, because the mean of its divisors is an integer number (423747).

2⁸⁴⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

847493 is a deficient number, since it is larger than the sum of its proper divisors (1).

847493 is an equidigital number, since it uses as much as digits as its factorization.

847493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 847493 is about 920.5938300901. The cubic root of 847493 is about 94.6336025398.

The spelling of 847493 in words is "eight hundred forty-seven thousand, four hundred ninety-three".