897983 has 2 divisors, whose sum is σ = 897984. Its totient is φ = 897982.

The previous prime is 897971. The next prime is 898013. The reversal of 897983 is 389798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897983 - 2⁸ = 897727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (891983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448991 + 448992.

It is an arithmetic number, because the mean of its divisors is an integer number (448992).

2⁸⁹⁷⁹⁸³ is an apocalyptic number.

897983 is a deficient number, since it is larger than the sum of its proper divisors (1).

897983 is an equidigital number, since it uses as much as digits as its factorization.

897983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 897983 is about 947.6196494375. The cubic root of 897983 is about 96.4767588799.

The spelling of 897983 in words is "eight hundred ninety-seven thousand, nine hundred eighty-three".