2748917 has 8 divisors (see below), whose sum is σ = 2941272. Its totient is φ = 2560000.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748917 is 7198472.

It can be written as a sum of positive squares in 4 ways, for example, as 2390116 + 358801 = 1546^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2748917 - 2¹⁶ = 2683381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748919) 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, 917 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (367659).

2^2748917 is an apocalyptic number.

It is an amenable number.

2748917 is a deficient number, since it is larger than the sum of its proper divisors (192355).

2748917 is a wasteful number, since it uses less digits than its factorization.

2748917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its digits is 28224, while the sum is 38.

The square root of 2748917 is about 1657.9858262362. The cubic root of 2748917 is about 140.0835725507.

The spelling of 2748917 in words is "two million, seven hundred forty-eight thousand, nine hundred seventeen".