849869443 has 8 divisors (see below), whose sum is σ = 877249296. Its totient is φ = 822806400.

The previous prime is 849869407. The next prime is 849869459. The reversal of 849869443 is 344968948.

It is a happy number.

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 849869443 - 2¹⁷ = 849738371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849869843) 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, 73746 + ... + 84487.

It is an arithmetic number, because the mean of its divisors is an integer number (109656162).

Almost surely, 2^849869443 is an apocalyptic number.

849869443 is a deficient number, since it is larger than the sum of its proper divisors (27379853).

849869443 is a wasteful number, since it uses less digits than its factorization.

849869443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158405.

The product of its digits is 5971968, while the sum is 55.

The square root of 849869443 is about 29152.5203541649. The cubic root of 849869443 is about 947.2197356833.

The spelling of 849869443 in words is "eight hundred forty-nine million, eight hundred sixty-nine thousand, four hundred forty-three".