897489 has 6 divisors (see below), whose sum is σ = 1296386. Its totient is φ = 598320.

The previous prime is 897473. The next prime is 897497. The reversal of 897489 is 984798.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 166464 = 855^2 + 408^2 .

It is not a de Polignac number, because 897489 - 2⁴ = 897473 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897489.

It is not an unprimeable number, because it can be changed into a prime (897469) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 49852 + ... + 49869.

2⁸⁹⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

897489 is a deficient number, since it is larger than the sum of its proper divisors (398897).

897489 is a wasteful number, since it uses less digits than its factorization.

897489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99727 (or 99724 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 897489 is about 947.3589604791. The cubic root of 897489 is about 96.4590643129.

The spelling of 897489 in words is "eight hundred ninety-seven thousand, four hundred eighty-nine".