849856826 has 32 divisors (see below), whose sum is σ = 1661264640. Its totient is φ = 316429056.

The previous prime is 849856801. The next prime is 849856829. The reversal of 849856826 is 628658948.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (849856829) 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, 134246 + ... + 140433.

It is an arithmetic number, because the mean of its divisors is an integer number (51914520).

Almost surely, 2^849856826 is an apocalyptic number.

849856826 is a deficient number, since it is larger than the sum of its proper divisors (811407814).

849856826 is a wasteful number, since it uses less digits than its factorization.

849856826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274718.

The product of its digits is 6635520, while the sum is 56.

The square root of 849856826 is about 29152.3039569774. The cubic root of 849856826 is about 947.2150482455.

The spelling of 849856826 in words is "eight hundred forty-nine million, eight hundred fifty-six thousand, eight hundred twenty-six".