8987280 has 40 divisors (see below), whose sum is σ = 27861312. Its totient is φ = 2396544.

The previous prime is 8987269. The next prime is 8987287. The reversal of 8987280 is 827898.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8987287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18484 + ... + 18963.

Almost surely, 2^8987280 is an apocalyptic number.

8987280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8987280 is an abundant number, since it is smaller than the sum of its proper divisors (18874032).

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

8987280 is a wasteful number, since it uses less digits than its factorization.

8987280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37463 (or 37457 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 8987280 is about 2997.8792504035. The cubic root of 8987280 is about 207.9103410422.

The spelling of 8987280 in words is "eight million, nine hundred eighty-seven thousand, two hundred eighty".