897856 has 14 divisors (see below), whose sum is σ = 1781810. Its totient is φ = 448896.

The previous prime is 897847. The next prime is 897877. The reversal of 897856 is 658798.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 379456 = 720^2 + 616^2 .

It is a super-2 number, since 2×897856² = 1612290793472, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951 + ... + 7078.

2⁸⁹⁷⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

897856 is a deficient number, since it is larger than the sum of its proper divisors (883954).

897856 is a wasteful number, since it uses less digits than its factorization.

897856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041 (or 14031 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 897856 is about 947.5526370603. The cubic root of 897856 is about 96.4722104917.

The spelling of 897856 in words is "eight hundred ninety-seven thousand, eight hundred fifty-six".