884581 has 4 divisors (see below), whose sum is σ = 886464. Its totient is φ = 882700.

The previous prime is 884579. The next prime is 884591. The reversal of 884581 is 185488.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 884581 - 2¹ = 884579 is a prime.

It is a super-2 number, since 2×884581² = 1564967091122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (221616).

2⁸⁸⁴⁵⁸¹ is an apocalyptic number.

It is an amenable number.

884581 is a deficient number, since it is larger than the sum of its proper divisors (1883).

884581 is an equidigital number, since it uses as much as digits as its factorization.

884581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 10240, while the sum is 34.

The square root of 884581 is about 940.5216637590. The cubic root of 884581 is about 95.9943934804.

The spelling of 884581 in words is "eight hundred eighty-four thousand, five hundred eighty-one".