896591 has 4 divisors (see below), whose sum is σ = 943800. Its totient is φ = 849384.

The previous prime is 896587. The next prime is 896617. The reversal of 896591 is 195698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195698 = 2 ⋅97849.

It is a cyclic number.

It is not a de Polignac number, because 896591 - 2² = 896587 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 (896521) 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, 23576 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (235950).

2⁸⁹⁶⁵⁹¹ is an apocalyptic number.

896591 is a deficient number, since it is larger than the sum of its proper divisors (47209).

896591 is a wasteful number, since it uses less digits than its factorization.

896591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47208.

The product of its digits is 19440, while the sum is 38.

The square root of 896591 is about 946.8848926876. The cubic root of 896591 is about 96.4268822488.

The spelling of 896591 in words is "eight hundred ninety-six thousand, five hundred ninety-one".