897197 has 8 divisors (see below), whose sum is σ = 1041216. Its totient is φ = 757152.

The previous prime is 897191. The next prime is 897223. The reversal of 897197 is 791798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 897197 - 2⁶ = 897133 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 (897191) 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 7 ways as a sum of consecutive naturals, for example, 488 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (130152).

2⁸⁹⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

897197 is a deficient number, since it is larger than the sum of its proper divisors (144019).

897197 is a wasteful number, since it uses less digits than its factorization.

897197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its digits is 31752, while the sum is 41.

The square root of 897197 is about 947.2048352917. The cubic root of 897197 is about 96.4486021227.

The spelling of 897197 in words is "eight hundred ninety-seven thousand, one hundred ninety-seven".