885021 has 4 divisors (see below), whose sum is σ = 1180032. Its totient is φ = 590012.

The previous prime is 884999. The next prime is 885023. The reversal of 885021 is 120588.

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.

It is a cyclic number.

It is not a de Polignac number, because 885021 - 2¹⁵ = 852253 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 884982 and 885000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885023) 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, 147501 + ... + 147506.

It is an arithmetic number, because the mean of its divisors is an integer number (295008).

2⁸⁸⁵⁰²¹ is an apocalyptic number.

It is an amenable number.

885021 is a deficient number, since it is larger than the sum of its proper divisors (295011).

885021 is a wasteful number, since it uses less digits than its factorization.

885021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295010.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 885021 is about 940.7555474192. The cubic root of 885021 is about 96.0103070531.

The spelling of 885021 in words is "eight hundred eighty-five thousand, twenty-one".