897215 has 12 divisors (see below), whose sum is σ = 1184232. Its totient is φ = 652080.

The previous prime is 897191. The next prime is 897223. The reversal of 897215 is 512798.

It is not a de Polignac number, because 897215 - 2¹⁰ = 896191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (98686).

2⁸⁹⁷²¹⁵ is an apocalyptic number.

897215 is a deficient number, since it is larger than the sum of its proper divisors (287017).

897215 is a wasteful number, since it uses less digits than its factorization.

897215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1499 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 897215 is about 947.2143368847. The cubic root of 897215 is about 96.4492471179.

The spelling of 897215 in words is "eight hundred ninety-seven thousand, two hundred fifteen".