2487240 has 192 divisors, whose sum is σ = 9849600. Its totient is φ = 556416.

The previous prime is 2487229. The next prime is 2487259. The reversal of 2487240 is 427842.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52897 + ... + 52943.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2^2487240 is an apocalyptic number.

2487240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2487240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4924800).

2487240 is an abundant number, since it is smaller than the sum of its proper divisors (7362360).

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

2487240 is a wasteful number, since it uses less digits than its factorization.

2487240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2487240 is about 1577.0986018636. The cubic root of 2487240 is about 135.4895804046.

The spelling of 2487240 in words is "two million, four hundred eighty-seven thousand, two hundred forty".