2487280 has 20 divisors (see below), whose sum is σ = 5783112. Its totient is φ = 994880.

The previous prime is 2487269. The next prime is 2487281. The reversal of 2487280 is 827842.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15466 + ... + 15625.

2^2487280 is an apocalyptic number.

2487280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2487280 is an abundant number, since it is smaller than the sum of its proper divisors (3295832).

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

2487280 is a wasteful number, since it uses less digits than its factorization.

2487280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31104 (or 31098 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2487280 is about 1577.1112833278. Note that the first 3 decimals coincide. The cubic root of 2487280 is about 135.4903067189.

The spelling of 2487280 in words is "two million, four hundred eighty-seven thousand, two hundred eighty".