2460640 has 96 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 778752.

The previous prime is 2460637. The next prime is 2460641. The reversal of 2460640 is 460642.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2460641) 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, 189274 + ... + 189286.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2^2460640 is an apocalyptic number.

2460640 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 2460640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598560).

2460640 is an abundant number, since it is smaller than the sum of its proper divisors (4736480).

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

2460640 is an equidigital number, since it uses as much as digits as its factorization.

2460640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2460640 is about 1568.6427254158. The cubic root of 2460640 is about 135.0048466481.

The spelling of 2460640 in words is "two million, four hundred sixty thousand, six hundred forty".