2488240 has 40 divisors (see below), whose sum is σ = 6093360. Its totient is φ = 942336.

The previous prime is 2488231. The next prime is 2488247. The reversal of 2488240 is 428842.

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

It is a junction number, because it is equal to n+sod(n) for n = 2488199 and 2488208.

It is not an unprimeable number, because it can be changed into a prime (2488247) 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 7 ways as a sum of consecutive naturals, for example, 702 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

2^2488240 is an apocalyptic number.

2488240 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 2488240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3046680).

2488240 is an abundant number, since it is smaller than the sum of its proper divisors (3605120).

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

2488240 is a wasteful number, since it uses less digits than its factorization.

2488240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2488240 is about 1577.4156078853. The cubic root of 2488240 is about 135.5077359272.

The spelling of 2488240 in words is "two million, four hundred eighty-eight thousand, two hundred forty".