845855506 has 8 divisors (see below), whose sum is σ = 1290288240. Its totient is φ = 415759428.

The previous prime is 845855497. The next prime is 845855531. The reversal of 845855506 is 605558548.

It is a happy number.

845855506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3584016 + ... + 3584251.

It is an arithmetic number, because the mean of its divisors is an integer number (161286030).

Almost surely, 2^845855506 is an apocalyptic number.

845855506 is a deficient number, since it is larger than the sum of its proper divisors (444432734).

845855506 is a wasteful number, since it uses less digits than its factorization.

845855506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168328.

The product of its (nonzero) digits is 960000, while the sum is 46.

The square root of 845855506 is about 29083.5951354024. The cubic root of 845855506 is about 945.7261408422.

The spelling of 845855506 in words is "eight hundred forty-five million, eight hundred fifty-five thousand, five hundred six".