2731344 has 80 divisors (see below), whose sum is σ = 8808960. Its totient is φ = 708480.

The previous prime is 2731331. The next prime is 2731349. The reversal of 2731344 is 4431372.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731349) 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, 3327 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (110112).

2^2731344 is an apocalyptic number.

2731344 is a gapful number since it is divisible by the number (24) 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 2731344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4404480).

2731344 is an abundant number, since it is smaller than the sum of its proper divisors (6077616).

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

2731344 is a wasteful number, since it uses less digits than its factorization.

2731344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 762 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 2731344 is about 1652.6778270431. The cubic root of 2731344 is about 139.7844301440.

The spelling of 2731344 in words is "two million, seven hundred thirty-one thousand, three hundred forty-four".