836834642 has 24 divisors (see below), whose sum is σ = 1484950320. Its totient is φ = 352562280.

The previous prime is 836834629. The next prime is 836834657. The reversal of 836834642 is 246438638.

It is a junction number, because it is equal to n+sod(n) for n = 836834593 and 836834602.

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 11 ways as a sum of consecutive naturals, for example, 66584 + ... + 78147.

It is an arithmetic number, because the mean of its divisors is an integer number (61872930).

Almost surely, 2^836834642 is an apocalyptic number.

836834642 is a deficient number, since it is larger than the sum of its proper divisors (648115678).

836834642 is a wasteful number, since it uses less digits than its factorization.

836834642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144806 (or 144799 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The square root of 836834642 is about 28928.0943375121. The cubic root of 836834642 is about 942.3521304088.

The spelling of 836834642 in words is "eight hundred thirty-six million, eight hundred thirty-four thousand, six hundred forty-two".