885849649 has 8 divisors (see below), whose sum is σ = 915785640. Its totient is φ = 856310400.

The previous prime is 885849647. The next prime is 885849677. The reversal of 885849649 is 946948588.

It can be written as a sum of positive squares in 4 ways, for example, as 260499600 + 625350049 = 16140^2 + 25007^2 .

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 885849649 - 2¹ = 885849647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885849647) 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 7 ways as a sum of consecutive naturals, for example, 94642 + ... + 103579.

It is an arithmetic number, because the mean of its divisors is an integer number (114473205).

Almost surely, 2^885849649 is an apocalyptic number.

It is an amenable number.

885849649 is a deficient number, since it is larger than the sum of its proper divisors (29935991).

885849649 is a wasteful number, since it uses less digits than its factorization.

885849649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198371.

The product of its digits is 19906560, while the sum is 61.

The square root of 885849649 is about 29763.2264548049. The cubic root of 885849649 is about 960.4026266143.

The spelling of 885849649 in words is "eight hundred eighty-five million, eight hundred forty-nine thousand, six hundred forty-nine".