2748816 has 120 divisors (see below), whose sum is σ = 9207744. Its totient is φ = 777600.

The previous prime is 2748803. The next prime is 2748817. The reversal of 2748816 is 6188472.

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

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

It is not an unprimeable number, because it can be changed into a prime (2748817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27166 + ... + 27266.

2^2748816 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 2748816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4603872).

2748816 is an abundant number, since it is smaller than the sum of its proper divisors (6458928).

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

2748816 is a wasteful number, since it uses less digits than its factorization.

2748816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 113 counting only the distinct ones).

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

The square root of 2748816 is about 1657.9553673124. The cubic root of 2748816 is about 140.0818568915.

The spelling of 2748816 in words is "two million, seven hundred forty-eight thousand, eight hundred sixteen".