884985 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 460160.

The previous prime is 884981. The next prime is 884987. The reversal of 884985 is 589488.

884985 = T₁₀₄ + T₁₀₅ + ... + T₁₈₅.

884985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 884985 - 2² = 884981 is a prime.

884985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (884981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2⁸⁸⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

884985 is a deficient number, since it is larger than the sum of its proper divisors (566535).

884985 is a wasteful number, since it uses less digits than its factorization.

884985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

The product of its digits is 92160, while the sum is 42.

The square root of 884985 is about 940.7364136675. The cubic root of 884985 is about 96.0090052316.

The spelling of 884985 in words is "eight hundred eighty-four thousand, nine hundred eighty-five".