840882838 has 8 divisors (see below), whose sum is σ = 1261732032. Its totient is φ = 420305496.

The previous prime is 840882827. The next prime is 840882851. The reversal of 840882838 is 838288048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 840882791 and 840882800.

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, 60045 + ... + 72712.

It is an arithmetic number, because the mean of its divisors is an integer number (157716504).

Almost surely, 2^840882838 is an apocalyptic number.

840882838 is a deficient number, since it is larger than the sum of its proper divisors (420849194).

840882838 is a wasteful number, since it uses less digits than its factorization.

840882838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135926.

The product of its (nonzero) digits is 786432, while the sum is 49.

The square root of 840882838 is about 28997.9798951582. The cubic root of 840882838 is about 943.8692326703.

The spelling of 840882838 in words is "eight hundred forty million, eight hundred eighty-two thousand, eight hundred thirty-eight".