2484240 has 80 divisors (see below), whose sum is σ = 8410176. Its totient is φ = 601600.

The previous prime is 2484233. The next prime is 2484241. The reversal of 2484240 is 424842.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2484240.

It is not an unprimeable number, because it can be changed into a prime (2484241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170 + ... + 3110.

2^2484240 is an apocalyptic number.

2484240 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 2484240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4205088).

2484240 is an abundant number, since it is smaller than the sum of its proper divisors (5925936).

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

2484240 is a wasteful number, since it uses less digits than its factorization.

2484240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2484240 is about 1576.1472012474. The cubic root of 2484240 is about 135.4350846218.

The spelling of 2484240 in words is "two million, four hundred eighty-four thousand, two hundred forty".