2716240 has 40 divisors (see below), whose sum is σ = 6651360. Its totient is φ = 1028736.

The previous prime is 2716237. The next prime is 2716249. The reversal of 2716240 is 426172.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2716249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (166284).

2^2716240 is an apocalyptic number.

2716240 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 2716240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3325680).

2716240 is an abundant number, since it is smaller than the sum of its proper divisors (3935120).

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

2716240 is a wasteful number, since it uses less digits than its factorization.

2716240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2716240 is about 1648.1019385948. The cubic root of 2716240 is about 139.5262900995.

The spelling of 2716240 in words is "two million, seven hundred sixteen thousand, two hundred forty".