845820616 has 16 divisors (see below), whose sum is σ = 1637072640. Its totient is φ = 409267920.

The previous prime is 845820557. The next prime is 845820617. The reversal of 845820616 is 616028548.

It is not an unprimeable number, because it can be changed into a prime (845820617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705036 + ... + 1705531.

It is an arithmetic number, because the mean of its divisors is an integer number (102317040).

Almost surely, 2^845820616 is an apocalyptic number.

It is an amenable number.

845820616 is a deficient number, since it is larger than the sum of its proper divisors (791252024).

845820616 is a wasteful number, since it uses less digits than its factorization.

845820616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410604 (or 3410600 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 845820616 is about 29082.9953065361. The cubic root of 845820616 is about 945.7131375028.

The spelling of 845820616 in words is "eight hundred forty-five million, eight hundred twenty thousand, six hundred sixteen".