897172 has 12 divisors (see below), whose sum is σ = 1578976. Its totient is φ = 446040.

The previous prime is 897163. The next prime is 897191. The reversal of 897172 is 271798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313 + ... + 1375.

2⁸⁹⁷¹⁷² is an apocalyptic number.

It is an amenable number.

897172 is a deficient number, since it is larger than the sum of its proper divisors (681804).

897172 is a wasteful number, since it uses less digits than its factorization.

897172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 897172 is about 947.1916384766. The cubic root of 897172 is about 96.4477062818.

The spelling of 897172 in words is "eight hundred ninety-seven thousand, one hundred seventy-two".