897117 has 8 divisors (see below), whose sum is σ = 1288224. Its totient is φ = 552048.

The previous prime is 897103. The next prime is 897119. The reversal of 897117 is 711798.

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

It is not a de Polignac number, because 897117 - 2⁴ = 897101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897119) 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, 11463 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (161028).

2⁸⁹⁷¹¹⁷ is an apocalyptic number.

It is an amenable number.

897117 is a deficient number, since it is larger than the sum of its proper divisors (391107).

897117 is a wasteful number, since it uses less digits than its factorization.

897117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23019.

The product of its digits is 3528, while the sum is 33.

The square root of 897117 is about 947.1626048361. The cubic root of 897117 is about 96.4457353731.

The spelling of 897117 in words is "eight hundred ninety-seven thousand, one hundred seventeen".