854609 has 12 divisors (see below), whose sum is σ = 1009584. Its totient is φ = 721224.

The previous prime is 854599. The next prime is 854617. The reversal of 854609 is 906458.

854609 = T₈₀ + T₈₁ + ... + T₁₇₇.

It is not a de Polignac number, because 854609 - 2⁴ = 854593 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5162 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (84132).

2⁸⁵⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

854609 is a deficient number, since it is larger than the sum of its proper divisors (154975).

854609 is a wasteful number, since it uses less digits than its factorization.

854609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 854609 is about 924.4506476822. The cubic root of 854609 is about 94.8977292768.

The spelling of 854609 in words is "eight hundred fifty-four thousand, six hundred nine".