896581 has 8 divisors (see below), whose sum is σ = 1030400. Its totient is φ = 764208.

The previous prime is 896573. The next prime is 896587. The reversal of 896581 is 185698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 896581 - 2³ = 896573 is a prime.

It is a super-2 number, since 2×896581² = 1607714979122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 896581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896587) 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 7 ways as a sum of consecutive naturals, for example, 2260 + ... + 2626.

It is an arithmetic number, because the mean of its divisors is an integer number (128800).

2⁸⁹⁶⁵⁸¹ is an apocalyptic number.

It is an amenable number.

896581 is a deficient number, since it is larger than the sum of its proper divisors (133819).

896581 is a wasteful number, since it uses less digits than its factorization.

896581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 17280, while the sum is 37.

The square root of 896581 is about 946.8796122000. The cubic root of 896581 is about 96.4265237530.

It can be divided in two parts, 89 and 6581, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 896581 in words is "eight hundred ninety-six thousand, five hundred eighty-one".