8729836 has 12 divisors (see below), whose sum is σ = 15297912. Its totient is φ = 4359008.

The previous prime is 8729821. The next prime is 8729837. The reversal of 8729836 is 6389278.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8729792 and 8729801.

It is not an unprimeable number, because it can be changed into a prime (8729837) 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 3 ways as a sum of consecutive naturals, for example, 4971 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (1274826).

Almost surely, 2^8729836 is an apocalyptic number.

It is an amenable number.

8729836 is a deficient number, since it is larger than the sum of its proper divisors (6568076).

8729836 is a wasteful number, since it uses less digits than its factorization.

8729836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960 (or 2958 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 8729836 is about 2954.6295876133. The cubic root of 8729836 is about 205.9058544889.

The spelling of 8729836 in words is "eight million, seven hundred twenty-nine thousand, eight hundred thirty-six".