897085 has 24 divisors (see below), whose sum is σ = 1316736. Its totient is φ = 574560.

The previous prime is 897077. The next prime is 897101. The reversal of 897085 is 580798.

897085 = 295² + 296² + ... + 304².

It is not a de Polignac number, because 897085 - 2³ = 897077 is a prime.

It is a super-2 number, since 2×897085² = 1609522994450, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12600 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (54864).

2⁸⁹⁷⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

897085 is a deficient number, since it is larger than the sum of its proper divisors (419651).

897085 is a wasteful number, since it uses less digits than its factorization.

897085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 897085 is about 947.1457121267. The cubic root of 897085 is about 96.4445886255. Note that the first 3 decimals are identical.

The spelling of 897085 in words is "eight hundred ninety-seven thousand, eighty-five".