840859848 has 48 divisors (see below), whose sum is σ = 2411292780. Its totient is φ = 263798784.

The previous prime is 840859847. The next prime is 840859861. The reversal of 840859848 is 848958048.

840859848 is a `hidden beast` number, since 8 + 4 + 0 + 8 + 598 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 786129444 + 54730404 = 28038^2 + 7398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 840859794 and 840859803.

It is not an unprimeable number, because it can be changed into a prime (840859847) 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 11 ways as a sum of consecutive naturals, for example, 342265 + ... + 344712.

Almost surely, 2^840859848 is an apocalyptic number.

It is an amenable number.

840859848 is an abundant number, since it is smaller than the sum of its proper divisors (1570432932).

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

840859848 is a wasteful number, since it uses less digits than its factorization.

840859848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687006 (or 686999 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The square root of 840859848 is about 28997.5834855251. The cubic root of 840859848 is about 943.8606306985.

The spelling of 840859848 in words is "eight hundred forty million, eight hundred fifty-nine thousand, eight hundred forty-eight".