8987836 has 48 divisors (see below), whose sum is σ = 19474560. Its totient is φ = 3568320.

The previous prime is 8987809. The next prime is 8987851. The reversal of 8987836 is 6387898.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8987836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10455 + ... + 11281.

It is an arithmetic number, because the mean of its divisors is an integer number (405720).

Almost surely, 2^8987836 is an apocalyptic number.

It is an amenable number.

8987836 is an abundant number, since it is smaller than the sum of its proper divisors (10486724).

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

8987836 is a wasteful number, since it uses less digits than its factorization.

8987836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 8987836 is about 2997.9719811900. The cubic root of 8987836 is about 207.9146284264.

The spelling of 8987836 in words is "eight million, nine hundred eighty-seven thousand, eight hundred thirty-six".