8729516 has 12 divisors (see below), whose sum is σ = 15632232. Its totient is φ = 4263168.

The previous prime is 8729491. The next prime is 8729543. The reversal of 8729516 is 6159278.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8729516.

It is an unprimeable number.

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, 25205 + ... + 25548.

It is an arithmetic number, because the mean of its divisors is an integer number (1302686).

Almost surely, 2^8729516 is an apocalyptic number.

8729516 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

8729516 is a deficient number, since it is larger than the sum of its proper divisors (6902716).

8729516 is a wasteful number, since it uses less digits than its factorization.

8729516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50800 (or 50798 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 8729516 is about 2954.5754348129. The cubic root of 8729516 is about 205.9033385699.

The spelling of 8729516 in words is "eight million, seven hundred twenty-nine thousand, five hundred sixteen".