854084209 has 16 divisors (see below), whose sum is σ = 958256640. Its totient is φ = 754392960.

The previous prime is 854084207. The next prime is 854084263. The reversal of 854084209 is 902480458.

It is a cyclic number.

It is not a de Polignac number, because 854084209 - 2¹ = 854084207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854084201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484672 + ... + 486430.

It is an arithmetic number, because the mean of its divisors is an integer number (59891040).

Almost surely, 2^854084209 is an apocalyptic number.

It is an amenable number.

854084209 is a deficient number, since it is larger than the sum of its proper divisors (104172431).

854084209 is a wasteful number, since it uses less digits than its factorization.

854084209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 854084209 is about 29224.7191432185. The cubic root of 854084209 is about 948.7830063686.

The spelling of 854084209 in words is "eight hundred fifty-four million, eighty-four thousand, two hundred nine".