845539028 has 12 divisors (see below), whose sum is σ = 1488772320. Its totient is φ = 420175512.

The previous prime is 845538997. The next prime is 845539049. The reversal of 845539028 is 820935548.

It is a self number, because there is not a number n which added to its sum of digits gives 845539028.

It is a congruent number.

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, 647768 + ... + 649071.

It is an arithmetic number, because the mean of its divisors is an integer number (124064360).

Almost surely, 2^845539028 is an apocalyptic number.

It is an amenable number.

845539028 is a deficient number, since it is larger than the sum of its proper divisors (643233292).

845539028 is a wasteful number, since it uses less digits than its factorization.

845539028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297006 (or 1297004 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 845539028 is about 29078.1537928390. The cubic root of 845539028 is about 945.6081778839.

The spelling of 845539028 in words is "eight hundred forty-five million, five hundred thirty-nine thousand, twenty-eight".