2718340 has 24 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 1080288.

The previous prime is 2718337. The next prime is 2718367. The reversal of 2718340 is 438172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

2^2718340 is an apocalyptic number.

2718340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2718340 is an abundant number, since it is smaller than the sum of its proper divisors (3027260).

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

2718340 is a wasteful number, since it uses less digits than its factorization.

2718340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2718340 is about 1648.7389120173. The cubic root of 2718340 is about 139.5622380437.

It can be divided in two parts, 2718 and 340, that multiplied together give a triangular number (924120 = T₁₃₅₉).

The spelling of 2718340 in words is "two million, seven hundred eighteen thousand, three hundred forty".