849016457 has 12 divisors (see below), whose sum is σ = 891442944. Its totient is φ = 807079680.

The previous prime is 849016451. The next prime is 849016481. The reversal of 849016457 is 754610948.

It is not a de Polignac number, because 849016457 - 2²⁴ = 832239241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849016451) 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, 856232 + ... + 857222.

It is an arithmetic number, because the mean of its divisors is an integer number (74286912).

Almost surely, 2^849016457 is an apocalyptic number.

It is an amenable number.

849016457 is a deficient number, since it is larger than the sum of its proper divisors (42426487).

849016457 is an equidigital number, since it uses as much as digits as its factorization.

849016457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 849016457 is about 29137.8869686873. The cubic root of 849016457 is about 946.9027318422.

The spelling of 849016457 in words is "eight hundred forty-nine million, sixteen thousand, four hundred fifty-seven".