2748091 has 4 divisors (see below), whose sum is σ = 2754000. Its totient is φ = 2742184.

The previous prime is 2748089. The next prime is 2748113. The reversal of 2748091 is 1908472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2748091 - 2¹ = 2748089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (688500).

2^2748091 is an apocalyptic number.

2748091 is a deficient number, since it is larger than the sum of its proper divisors (5909).

2748091 is an equidigital number, since it uses as much as digits as its factorization.

2748091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

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

The square root of 2748091 is about 1657.7367100960. The cubic root of 2748091 is about 140.0695402824.

The spelling of 2748091 in words is "two million, seven hundred forty-eight thousand, ninety-one".