885813 has 4 divisors (see below), whose sum is σ = 1181088. Its totient is φ = 590540.

The previous prime is 885811. The next prime is 885821. The reversal of 885813 is 318588.

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 885813 - 2¹ = 885811 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885811) 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, 147633 + ... + 147638.

It is an arithmetic number, because the mean of its divisors is an integer number (295272).

2⁸⁸⁵⁸¹³ is an apocalyptic number.

It is an amenable number.

885813 is a deficient number, since it is larger than the sum of its proper divisors (295275).

885813 is a wasteful number, since it uses less digits than its factorization.

885813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295274.

The product of its digits is 7680, while the sum is 33.

The square root of 885813 is about 941.1763915441. The cubic root of 885813 is about 96.0389381973.

The spelling of 885813 in words is "eight hundred eighty-five thousand, eight hundred thirteen".