2748081 has 16 divisors (see below), whose sum is σ = 4230144. Its totient is φ = 1554384.

The previous prime is 2748077. The next prime is 2748089. The reversal of 2748081 is 1808472.

It is not a de Polignac number, because 2748081 - 2² = 2748077 is a prime.

It is a super-2 number, since 2×2748081² = 15103898365122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748089) 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 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (264384).

2^2748081 is an apocalyptic number.

2748081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2748081 is a deficient number, since it is larger than the sum of its proper divisors (1482063).

2748081 is a wasteful number, since it uses less digits than its factorization.

2748081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2748081 is about 1657.7336939328. The cubic root of 2748081 is about 140.0693703830.

The spelling of 2748081 in words is "two million, seven hundred forty-eight thousand, eighty-one".