897808 has 10 divisors (see below), whose sum is σ = 1739534. Its totient is φ = 448896.

The previous prime is 897781. The next prime is 897817. The reversal of 897808 is 808798.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 446224 = 672^2 + 668^2 .

It is an Ulam number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28041 + ... + 28072.

2⁸⁹⁷⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

897808 is a deficient number, since it is larger than the sum of its proper divisors (841726).

897808 is a wasteful number, since it uses less digits than its factorization.

897808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56121 (or 56115 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 897808 is about 947.5273083136. The cubic root of 897808 is about 96.4704913041.

The spelling of 897808 in words is "eight hundred ninety-seven thousand, eight hundred eight".