854009 has 8 divisors (see below), whose sum is σ = 927360. Its totient is φ = 781776.

The previous prime is 853999. The next prime is 854017. The reversal of 854009 is 900458.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854039) 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, 2144 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2⁸⁵⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

854009 is a deficient number, since it is larger than the sum of its proper divisors (73351).

854009 is a wasteful number, since it uses less digits than its factorization.

854009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 854009 is about 924.1260736501. The cubic root of 854009 is about 94.8755156220.

The spelling of 854009 in words is "eight hundred fifty-four thousand, nine".