897617 has 16 divisors (see below), whose sum is σ = 1146240. Its totient is φ = 684288.

The previous prime is 897607. The next prime is 897629. The reversal of 897617 is 716798.

It is a happy number.

897617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 897617 - 2⁴ = 897601 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897617.

It is not an unprimeable number, because it can be changed into a prime (897607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (71640).

2⁸⁹⁷⁶¹⁷ is an apocalyptic number.

It is an amenable number.

897617 is a deficient number, since it is larger than the sum of its proper divisors (248623).

897617 is a wasteful number, since it uses less digits than its factorization.

897617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its digits is 21168, while the sum is 38.

The square root of 897617 is about 947.4265143007. The cubic root of 897617 is about 96.4636497631.

The spelling of 897617 in words is "eight hundred ninety-seven thousand, six hundred seventeen".