854043 has 4 divisors (see below), whose sum is σ = 1138728. Its totient is φ = 569360.

The previous prime is 854041. The next prime is 854047. The reversal of 854043 is 340458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 854043 - 2¹ = 854041 is a prime.

It is a D-number.

854043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (854041) 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, 142338 + ... + 142343.

It is an arithmetic number, because the mean of its divisors is an integer number (284682).

2⁸⁵⁴⁰⁴³ is an apocalyptic number.

854043 is a deficient number, since it is larger than the sum of its proper divisors (284685).

854043 is a wasteful number, since it uses less digits than its factorization.

854043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284684.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 854043 is about 924.1444692255. The cubic root of 854043 is about 94.8767746738.

The spelling of 854043 in words is "eight hundred fifty-four thousand, forty-three".