845284344 has 32 divisors (see below), whose sum is σ = 2186082000. Its totient is φ = 272045312.

The previous prime is 845284337. The next prime is 845284423. The reversal of 845284344 is 443482548.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 845284296 and 845284305.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 606549 + ... + 607940.

Almost surely, 2^845284344 is an apocalyptic number.

It is an amenable number.

845284344 is an abundant number, since it is smaller than the sum of its proper divisors (1340797656).

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

845284344 is a wasteful number, since it uses less digits than its factorization.

845284344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214527 (or 1214523 counting only the distinct ones).

The product of its digits is 491520, while the sum is 42.

The square root of 845284344 is about 29073.7741616048. The cubic root of 845284344 is about 945.5132264389.

The spelling of 845284344 in words is "eight hundred forty-five million, two hundred eighty-four thousand, three hundred forty-four".