849863601 has 12 divisors (see below), whose sum is σ = 1227866640. Its totient is φ = 566443800.

The previous prime is 849863587. The next prime is 849863603. The reversal of 849863601 is 106368948.

849863601 is a `hidden beast` number, since 8 + 4 + 9 + 8 + 636 + 0 + 1 = 666.

It is not a de Polignac number, because 849863601 - 2⁵ = 849863569 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (849863603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44590 + ... + 60728.

It is an arithmetic number, because the mean of its divisors is an integer number (102322220).

Almost surely, 2^849863601 is an apocalyptic number.

It is an amenable number.

849863601 is a deficient number, since it is larger than the sum of its proper divisors (378003039).

849863601 is a wasteful number, since it uses less digits than its factorization.

849863601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21996 (or 21993 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 849863601 is about 29152.4201568240. The cubic root of 849863601 is about 947.2175652831.

The spelling of 849863601 in words is "eight hundred forty-nine million, eight hundred sixty-three thousand, six hundred one".