897568 has 24 divisors (see below), whose sum is σ = 2020032. Its totient is φ = 384576.

The previous prime is 897563. The next prime is 897571. The reversal of 897568 is 865798.

It is a happy number.

It is an Ulam number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (897563) by changing a digit.

897568 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (84168).

2⁸⁹⁷⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

897568 is an abundant number, since it is smaller than the sum of its proper divisors (1122464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897568 is a wasteful number, since it uses less digits than its factorization.

897568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4016 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 897568 is about 947.4006544224. The cubic root of 897568 is about 96.4618944470.

The spelling of 897568 in words is "eight hundred ninety-seven thousand, five hundred sixty-eight".