854861 has 8 divisors (see below), whose sum is σ = 987840. Its totient is φ = 724608.

The previous prime is 854849. The next prime is 854869. The reversal of 854861 is 168458.

854861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 854861 - 2¹⁰ = 853837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854869) 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, 50 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2⁸⁵⁴⁸⁶¹ is an apocalyptic number.

It is an amenable number.

854861 is a deficient number, since it is larger than the sum of its proper divisors (132979).

854861 is a wasteful number, since it uses less digits than its factorization.

854861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 7680, while the sum is 32.

The square root of 854861 is about 924.5869347985. The cubic root of 854861 is about 94.9070559114.

The spelling of 854861 in words is "eight hundred fifty-four thousand, eight hundred sixty-one".