897567 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 533600.

The previous prime is 897563. The next prime is 897571. The reversal of 897567 is 765798.

It is an interprime number because it is at equal distance from previous prime (897563) and next prime (897571).

It is a cyclic number.

It is not a de Polignac number, because 897567 - 2² = 897563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897563) 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, 1717 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁸⁹⁷⁵⁶⁷ is an apocalyptic number.

897567 is a deficient number, since it is larger than the sum of its proper divisors (432993).

897567 is a wasteful number, since it uses less digits than its factorization.

897567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its digits is 105840, while the sum is 42.

The square root of 897567 is about 947.4001266624. The cubic root of 897567 is about 96.4618586235.

Subtracting from 897567 its reverse (765798), we obtain a square (131769 = 363²).

The spelling of 897567 in words is "eight hundred ninety-seven thousand, five hundred sixty-seven".