2847240 has 96 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 689280.

The previous prime is 2847227. The next prime is 2847253. The reversal of 2847240 is 427482.

It is an interprime number because it is at equal distance from previous prime (2847227) and next prime (2847253).

It is an Ulam 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, 3601 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2^2847240 is an apocalyptic number.

2847240 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 2847240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5054400).

2847240 is an abundant number, since it is smaller than the sum of its proper divisors (7261560).

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

2847240 is a wasteful number, since it uses less digits than its factorization.

2847240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 740 counting only the distinct ones).

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

The square root of 2847240 is about 1687.3766621593. The cubic root of 2847240 is about 141.7342115427.

The spelling of 2847240 in words is "two million, eight hundred forty-seven thousand, two hundred forty".