849013217 has 8 divisors (see below), whose sum is σ = 933776256. Its totient is φ = 767029392.

The previous prime is 849013163. The next prime is 849013219. The reversal of 849013217 is 712310948.

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 849013217 - 2⁶ = 849013153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849013219) 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, 694163 + ... + 695384.

It is an arithmetic number, because the mean of its divisors is an integer number (116722032).

Almost surely, 2^849013217 is an apocalyptic number.

It is an amenable number.

849013217 is a deficient number, since it is larger than the sum of its proper divisors (84763039).

849013217 is a wasteful number, since it uses less digits than its factorization.

849013217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389607.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 849013217 is about 29137.8313709171. The cubic root of 849013217 is about 946.9015273234.

The spelling of 849013217 in words is "eight hundred forty-nine million, thirteen thousand, two hundred seventeen".