2718648 has 48 divisors (see below), whose sum is σ = 7495800. Its totient is φ = 889920.

The previous prime is 2718647. The next prime is 2718671. The reversal of 2718648 is 8468172.

2718648 is a `hidden beast` number, since 2 + 7 + 1 + 8 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4083 + ... + 4701.

2^2718648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2718648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747900).

2718648 is an abundant number, since it is smaller than the sum of its proper divisors (4777152).

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

2718648 is a wasteful number, since it uses less digits than its factorization.

2718648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 685 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2718648 is about 1648.8323140938. The cubic root of 2718648 is about 139.5675088518.

The spelling of 2718648 in words is "two million, seven hundred eighteen thousand, six hundred forty-eight".