2748109 has 24 divisors (see below), whose sum is σ = 3583872. Its totient is φ = 2059200.

The previous prime is 2748089. The next prime is 2748113. The reversal of 2748109 is 9018472.

It is not a de Polignac number, because 2748109 - 2⁵ = 2748077 is a prime.

It is a Duffinian number.

2748109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748149) 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, 27159 + ... + 27259.

It is an arithmetic number, because the mean of its divisors is an integer number (149328).

2^2748109 is an apocalyptic number.

It is an amenable number.

2748109 is a deficient number, since it is larger than the sum of its proper divisors (835763).

2748109 is a wasteful number, since it uses less digits than its factorization.

2748109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2748109 is about 1657.7421391761. The cubic root of 2748109 is about 140.0698461003.

The spelling of 2748109 in words is "two million, seven hundred forty-eight thousand, one hundred nine".