897599 has 4 divisors (see below), whose sum is σ = 911064. Its totient is φ = 884136.

The previous prime is 897593. The next prime is 897601. The reversal of 897599 is 995798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995798 = 2 ⋅497899.

It is a cyclic number.

It is not a de Polignac number, because 897599 - 2¹⁶ = 832063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6632 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (227766).

2⁸⁹⁷⁵⁹⁹ is an apocalyptic number.

897599 is a deficient number, since it is larger than the sum of its proper divisors (13465).

897599 is a wasteful number, since it uses less digits than its factorization.

897599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464.

The product of its digits is 204120, while the sum is 47.

The square root of 897599 is about 947.4170148356. The cubic root of 897599 is about 96.4630049605.

The spelling of 897599 in words is "eight hundred ninety-seven thousand, five hundred ninety-nine".