849606829 has 4 divisors (see below), whose sum is σ = 849926176. Its totient is φ = 849287484.

The previous prime is 849606787. The next prime is 849606847. The reversal of 849606829 is 928606948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 849606829 - 2¹⁹ = 849082541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849606859) 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 3 ways as a sum of consecutive naturals, for example, 155649 + ... + 161014.

It is an arithmetic number, because the mean of its divisors is an integer number (212481544).

Almost surely, 2^849606829 is an apocalyptic number.

It is an amenable number.

849606829 is a deficient number, since it is larger than the sum of its proper divisors (319347).

849606829 is a wasteful number, since it uses less digits than its factorization.

849606829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319346.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 849606829 is about 29148.0158672936. The cubic root of 849606829 is about 947.1221603862.

The spelling of 849606829 in words is "eight hundred forty-nine million, six hundred six thousand, eight hundred twenty-nine".