2748928 has 80 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 1069056.

The previous prime is 2748923. The next prime is 2748931. The reversal of 2748928 is 8298472.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 7³ + 4⁸ + 8³ + 9⁵ + 2¹⁹ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2748923) 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, 46563 + ... + 46621.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^2748928 is an apocalyptic number.

2748928 is a gapful number since it is divisible by the number (28) 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 2748928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437280).

2748928 is an abundant number, since it is smaller than the sum of its proper divisors (4125632).

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

2748928 is an equidigital number, since it uses as much as digits as its factorization.

2748928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 81 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2748928 is about 1657.9891435109. The cubic root of 2748928 is about 140.0837594021.

The spelling of 2748928 in words is "two million, seven hundred forty-eight thousand, nine hundred twenty-eight".