884221 has 8 divisors (see below), whose sum is σ = 1008504. Its totient is φ = 768000.

The previous prime is 884201. The next prime is 884227. The reversal of 884221 is 122488.

It can be written as a sum of positive squares in 4 ways, for example, as 2500 + 881721 = 50^2 + 939^2 .

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

It is a 6-Lehmer number, since φ(884221) divides (884221-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 884221 - 2¹¹ = 882173 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (126063).

2⁸⁸⁴²²¹ is an apocalyptic number.

It is an amenable number.

884221 is a deficient number, since it is larger than the sum of its proper divisors (124283).

884221 is a wasteful number, since it uses less digits than its factorization.

884221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031.

The product of its digits is 1024, while the sum is 25.

The square root of 884221 is about 940.3302611317. The cubic root of 884221 is about 95.9813693591.

It can be divided in two parts, 884 and 221, that multiplied together give a square (195364 = 442²).

The spelling of 884221 in words is "eight hundred eighty-four thousand, two hundred twenty-one".