834809845 has 8 divisors (see below), whose sum is σ = 1003363200. Its totient is φ = 666786960.

The previous prime is 834809831. The next prime is 834809849. The reversal of 834809845 is 548908438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 834809845 - 2⁹ = 834809333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834809849) 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, 129145 + ... + 135454.

It is an arithmetic number, because the mean of its divisors is an integer number (125420400).

Almost surely, 2^834809845 is an apocalyptic number.

It is an amenable number.

834809845 is a deficient number, since it is larger than the sum of its proper divisors (168553355).

834809845 is a wasteful number, since it uses less digits than its factorization.

834809845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265235.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 834809845 is about 28893.0760736894. The cubic root of 834809845 is about 941.5914812275.

The spelling of 834809845 in words is "eight hundred thirty-four million, eight hundred nine thousand, eight hundred forty-five".