896221 has 4 divisors (see below), whose sum is σ = 908572. Its totient is φ = 883872.

The previous prime is 896201. The next prime is 896263. The reversal of 896221 is 122698.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 264196 + 632025 = 514^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 896221 - 2⁹ = 895709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 896221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896201) 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, 6066 + ... + 6211.

It is an arithmetic number, because the mean of its divisors is an integer number (227143).

2⁸⁹⁶²²¹ is an apocalyptic number.

It is an amenable number.

896221 is a deficient number, since it is larger than the sum of its proper divisors (12351).

896221 is a wasteful number, since it uses less digits than its factorization.

896221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12350.

The product of its digits is 1728, while the sum is 28.

The square root of 896221 is about 946.6894950299. The cubic root of 896221 is about 96.4136161273.

The spelling of 896221 in words is "eight hundred ninety-six thousand, two hundred twenty-one".