854838217 has 8 divisors (see below), whose sum is σ = 944476416. Its totient is φ = 769572672.

The previous prime is 854838199. The next prime is 854838239. The reversal of 854838217 is 712838458.

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

It is a cyclic number.

It is not a de Polignac number, because 854838217 - 2¹⁵ = 854805449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854838247) 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, 1092753 + ... + 1093534.

It is an arithmetic number, because the mean of its divisors is an integer number (118059552).

Almost surely, 2^854838217 is an apocalyptic number.

It is an amenable number.

854838217 is a deficient number, since it is larger than the sum of its proper divisors (89638199).

854838217 is a wasteful number, since it uses less digits than its factorization.

854838217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186327.

The product of its digits is 430080, while the sum is 46.

The square root of 854838217 is about 29237.6164726197. The cubic root of 854838217 is about 949.0621277757.

The spelling of 854838217 in words is "eight hundred fifty-four million, eight hundred thirty-eight thousand, two hundred seventeen".