897071 has 4 divisors (see below), whose sum is σ = 1025232. Its totient is φ = 768912.

The previous prime is 897067. The next prime is 897077. The reversal of 897071 is 170798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 897071 - 2² = 897067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897077) 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 3 ways as a sum of consecutive naturals, for example, 64070 + ... + 64083.

It is an arithmetic number, because the mean of its divisors is an integer number (256308).

2⁸⁹⁷⁰⁷¹ is an apocalyptic number.

897071 is a deficient number, since it is larger than the sum of its proper divisors (128161).

897071 is a wasteful number, since it uses less digits than its factorization.

897071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128160.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 897071 is about 947.1383214716. The cubic root of 897071 is about 96.4440869149. Note that the first 3 decimals are identical.

It can be divided in two parts, 8 and 97071, that added together give a palindrome (97079).

The spelling of 897071 in words is "eight hundred ninety-seven thousand, seventy-one".