897863 has 4 divisors (see below), whose sum is σ = 899760. Its totient is φ = 895968.

The previous prime is 897847. The next prime is 897877. The reversal of 897863 is 368798.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 897863 - 2⁴ = 897847 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 9⁴ + 8⁵ + 7⁷ + 6² + 3⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 897863.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897863.

It is not an unprimeable number, because it can be changed into a prime (897163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (224940).

2⁸⁹⁷⁸⁶³ is an apocalyptic number.

897863 is a deficient number, since it is larger than the sum of its proper divisors (1897).

897863 is an equidigital number, since it uses as much as digits as its factorization.

897863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 72576, while the sum is 41.

The square root of 897863 is about 947.5563307793. The cubic root of 897863 is about 96.4724612014.

The spelling of 897863 in words is "eight hundred ninety-seven thousand, eight hundred sixty-three".