854885 has 8 divisors (see below), whose sum is σ = 1053816. Its totient is φ = 665280.

The previous prime is 854881. The next prime is 854897. The reversal of 854885 is 588458.

854885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 185761 + 669124 = 431^2 + 818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 854885 - 2² = 854881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (131727).

2⁸⁵⁴⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

854885 is a deficient number, since it is larger than the sum of its proper divisors (198931).

854885 is a wasteful number, since it uses less digits than its factorization.

854885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its digits is 51200, while the sum is 38.

The square root of 854885 is about 924.5999134761. The cubic root of 854885 is about 94.9079440667.

The spelling of 854885 in words is "eight hundred fifty-four thousand, eight hundred eighty-five".