884420489 has 4 divisors (see below), whose sum is σ = 893538324. Its totient is φ = 875302656.

The previous prime is 884420473. The next prime is 884420491. The reversal of 884420489 is 984024488.

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 446899600 + 437520889 = 21140^2 + 20917^2 .

It is a cyclic number.

It is not a de Polignac number, because 884420489 - 2⁴ = 884420473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (884420419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558772 + ... + 4558965.

It is an arithmetic number, because the mean of its divisors is an integer number (223384581).

Almost surely, 2^884420489 is an apocalyptic number.

It is an amenable number.

884420489 is a deficient number, since it is larger than the sum of its proper divisors (9117835).

884420489 is an equidigital number, since it uses as much as digits as its factorization.

884420489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117834.

The product of its (nonzero) digits is 589824, while the sum is 47.

The square root of 884420489 is about 29739.2079417055. The cubic root of 884420489 is about 959.8858693168.

The spelling of 884420489 in words is "eight hundred eighty-four million, four hundred twenty thousand, four hundred eighty-nine".