845621034 has 16 divisors (see below), whose sum is σ = 1749561120. Its totient is φ = 272153840.

The previous prime is 845620999. The next prime is 845621053. The reversal of 845621034 is 430126548.

845621034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 845620986 and 845621004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429772 + ... + 2430119.

It is an arithmetic number, because the mean of its divisors is an integer number (109347570).

Almost surely, 2^845621034 is an apocalyptic number.

845621034 is an abundant number, since it is smaller than the sum of its proper divisors (903940086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845621034 is a wasteful number, since it uses less digits than its factorization.

845621034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859925.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 845621034 is about 29079.5638550512. The cubic root of 845621034 is about 945.6387473529.

The spelling of 845621034 in words is "eight hundred forty-five million, six hundred twenty-one thousand, thirty-four".