897885 has 24 divisors (see below), whose sum is σ = 1616160. Its totient is φ = 478224.

The previous prime is 897881. The next prime is 897887. The reversal of 897885 is 588798.

It is not a de Polignac number, because 897885 - 2² = 897881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 897885.

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 897885.

It is not an unprimeable number, because it can be changed into a prime (897881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (67340).

2⁸⁹⁷⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

897885 is a deficient number, since it is larger than the sum of its proper divisors (718275).

897885 is an equidigital number, since it uses as much as digits as its factorization.

897885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 747 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 897885 is about 947.5679395167. The cubic root of 897885 is about 96.4732491378.

The spelling of 897885 in words is "eight hundred ninety-seven thousand, eight hundred eighty-five".