897956 has 12 divisors (see below), whose sum is σ = 1625820. Its totient is φ = 433440.

The previous prime is 897947. The next prime is 897971. The reversal of 897956 is 659798.

It can be written as a sum of positive squares in 2 ways, for example, as 320356 + 577600 = 566^2 + 760^2 .

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 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (135485).

2⁸⁹⁷⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

897956 is a deficient number, since it is larger than the sum of its proper divisors (727864).

897956 is a wasteful number, since it uses less digits than its factorization.

897956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774 (or 7772 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 897956 is about 947.6054031083. The cubic root of 897956 is about 96.4757919357.

The spelling of 897956 in words is "eight hundred ninety-seven thousand, nine hundred fifty-six".