2872440 has 96 divisors (see below), whose sum is σ = 9547200. Its totient is φ = 748800.

The previous prime is 2872433. The next prime is 2872451. The reversal of 2872440 is 442782.

2872440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28390 + ... + 28490.

It is an arithmetic number, because the mean of its divisors is an integer number (99450).

2^2872440 is an apocalyptic number.

2872440 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 2872440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4773600).

2872440 is an abundant number, since it is smaller than the sum of its proper divisors (6674760).

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

2872440 is a wasteful number, since it uses less digits than its factorization.

2872440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 190 counting only the distinct ones).

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

The square root of 2872440 is about 1694.8274248430. The cubic root of 2872440 is about 142.1511318250.

The spelling of 2872440 in words is "two million, eight hundred seventy-two thousand, four hundred forty".