897716 has 6 divisors (see below), whose sum is σ = 1571010. Its totient is φ = 448856.

The previous prime is 897709. The next prime is 897727. The reversal of 897716 is 617798.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 364816 = 730^2 + 604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 897716.

It is a congruent number.

It is an unprimeable number.

897716 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 112211 + ... + 112218.

It is an arithmetic number, because the mean of its divisors is an integer number (261835).

2⁸⁹⁷⁷¹⁶ is an apocalyptic number.

It is an amenable number.

897716 is a deficient number, since it is larger than the sum of its proper divisors (673294).

897716 is a wasteful number, since it uses less digits than its factorization.

897716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224433 (or 224431 counting only the distinct ones).

The product of its digits is 21168, while the sum is 38.

The square root of 897716 is about 947.4787596564. The cubic root of 897716 is about 96.4671960233.

The spelling of 897716 in words is "eight hundred ninety-seven thousand, seven hundred sixteen".