845239368 has 32 divisors (see below), whose sum is σ = 2120328000. Its totient is φ = 280782528.

The previous prime is 845239361. The next prime is 845239387. The reversal of 845239368 is 863932548.

It is not an unprimeable number, because it can be changed into a prime (845239361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53068 + ... + 67131.

It is an arithmetic number, because the mean of its divisors is an integer number (66260250).

Almost surely, 2^845239368 is an apocalyptic number.

It is an amenable number.

845239368 is an abundant number, since it is smaller than the sum of its proper divisors (1275088632).

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

845239368 is a wasteful number, since it uses less digits than its factorization.

845239368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120501 (or 120497 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 845239368 is about 29073.0006707254. Note that the first 3 decimals coincide. The cubic root of 845239368 is about 945.4964564777.

The spelling of 845239368 in words is "eight hundred forty-five million, two hundred thirty-nine thousand, three hundred sixty-eight".