8487280 has 40 divisors (see below), whose sum is σ = 19855872. Its totient is φ = 3373824.

The previous prime is 8487239. The next prime is 8487293. The reversal of 8487280 is 827848.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 21969 + ... + 22351.

Almost surely, 2^8487280 is an apocalyptic number.

8487280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8487280 is an abundant number, since it is smaller than the sum of its proper divisors (11368592).

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

8487280 is a wasteful number, since it uses less digits than its factorization.

8487280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 8487280 is about 2913.2936686850. The cubic root of 8487280 is about 203.9809029925.

It can be divided in two parts, 848 and 7280, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 8487280 in words is "eight million, four hundred eighty-seven thousand, two hundred eighty".