897165 has 12 divisors (see below), whose sum is σ = 1555164. Its totient is φ = 478464.

The previous prime is 897163. The next prime is 897191. The reversal of 897165 is 561798.

897165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 660969 = 486^2 + 813^2 .

It is not a de Polignac number, because 897165 - 2¹ = 897163 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9924 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (129597).

2⁸⁹⁷¹⁶⁵ is an apocalyptic number.

It is an amenable number.

897165 is a deficient number, since it is larger than the sum of its proper divisors (657999).

897165 is a wasteful number, since it uses less digits than its factorization.

897165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948 (or 19945 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 897165 is about 947.1879433354. The cubic root of 897165 is about 96.4474554433.

The spelling of 897165 in words is "eight hundred ninety-seven thousand, one hundred sixty-five".