849449799 has 12 divisors (see below), whose sum is σ = 1338527112. Its totient is φ = 514818000.

The previous prime is 849449749. The next prime is 849449803. The reversal of 849449799 is 997944948.

It is not a de Polignac number, because 849449799 - 2⁸ = 849449543 is a prime.

It is a super-3 number, since 3×849449799³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849449749) 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, 4290052 + ... + 4290249.

It is an arithmetic number, because the mean of its divisors is an integer number (111543926).

Almost surely, 2^849449799 is an apocalyptic number.

849449799 is a deficient number, since it is larger than the sum of its proper divisors (489077313).

849449799 is a wasteful number, since it uses less digits than its factorization.

849449799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580318 (or 8580315 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 849449799 is about 29145.3220774793. The cubic root of 849449799 is about 947.0638056463.

The spelling of 849449799 in words is "eight hundred forty-nine million, four hundred forty-nine thousand, seven hundred ninety-nine".