897443 has 2 divisors, whose sum is σ = 897444. Its totient is φ = 897442.

The previous prime is 897433. The next prime is 897461. The reversal of 897443 is 344798.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897443 is a prime.

It is not a weakly prime, because it can be changed into another prime (897433) 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, 448721 + 448722.

It is an arithmetic number, because the mean of its divisors is an integer number (448722).

2⁸⁹⁷⁴⁴³ is an apocalyptic number.

897443 is a deficient number, since it is larger than the sum of its proper divisors (1).

897443 is an equidigital number, since it uses as much as digits as its factorization.

897443 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 897443 is about 947.3346821478. The cubic root of 897443 is about 96.4574163103.

The spelling of 897443 in words is "eight hundred ninety-seven thousand, four hundred forty-three".