897161 has 8 divisors (see below), whose sum is σ = 985920. Its totient is φ = 812592.

The previous prime is 897157. The next prime is 897163. The reversal of 897161 is 161798.

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

It is not a de Polignac number, because 897161 - 2² = 897157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (897163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (123240).

2⁸⁹⁷¹⁶¹ is an apocalyptic number.

It is an amenable number.

897161 is a deficient number, since it is larger than the sum of its proper divisors (88759).

897161 is a wasteful number, since it uses less digits than its factorization.

897161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its digits is 3024, while the sum is 32.

The square root of 897161 is about 947.1858318197. The cubic root of 897161 is about 96.4473121065.

The spelling of 897161 in words is "eight hundred ninety-seven thousand, one hundred sixty-one".