854004 has 12 divisors (see below), whose sum is σ = 1992704. Its totient is φ = 284664.

The previous prime is 853999. The next prime is 854017. The reversal of 854004 is 400458.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35572 + ... + 35595.

2⁸⁵⁴⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

854004 is an abundant number, since it is smaller than the sum of its proper divisors (1138700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

854004 is a wasteful number, since it uses less digits than its factorization.

854004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71174 (or 71172 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 854004 is about 924.1233683876. The cubic root of 854004 is about 94.8753304645.

The spelling of 854004 in words is "eight hundred fifty-four thousand, four".