897128 has 16 divisors (see below), whose sum is σ = 1697280. Its totient is φ = 444528.

The previous prime is 897119. The next prime is 897133. The reversal of 897128 is 821798.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 575 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (106080).

2⁸⁹⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

897128 is a deficient number, since it is larger than the sum of its proper divisors (800152).

897128 is a wasteful number, since it uses less digits than its factorization.

897128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 897128 is about 947.1684116354. The cubic root of 897128 is about 96.4461295613.

The spelling of 897128 in words is "eight hundred ninety-seven thousand, one hundred twenty-eight".