897859 has 8 divisors (see below), whose sum is σ = 937440. Its totient is φ = 859200.

The previous prime is 897847. The next prime is 897877. The reversal of 897859 is 958798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897859 - 2¹⁵ = 865091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897829) 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 in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2⁸⁹⁷⁸⁵⁹ is an apocalyptic number.

897859 is a deficient number, since it is larger than the sum of its proper divisors (39581).

897859 is a wasteful number, since it uses less digits than its factorization.

897859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 181440, while the sum is 46.

The square root of 897859 is about 947.5542200845. The cubic root of 897859 is about 96.4723179389.

The spelling of 897859 in words is "eight hundred ninety-seven thousand, eight hundred fifty-nine".