2716840 has 64 divisors (see below), whose sum is σ = 7234560. Its totient is φ = 898560.

The previous prime is 2716823. The next prime is 2716843. The reversal of 2716840 is 486172.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2716799 and 2716808.

It is not an unprimeable number, because it can be changed into a prime (2716843) 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, 8524 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (113040).

2^2716840 is an apocalyptic number.

2716840 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 2716840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617280).

2716840 is an abundant number, since it is smaller than the sum of its proper divisors (4517720).

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

2716840 is a wasteful number, since it uses less digits than its factorization.

2716840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2716840 is about 1648.2839561192. The cubic root of 2716840 is about 139.5365628308.

The spelling of 2716840 in words is "two million, seven hundred sixteen thousand, eight hundred forty".