2748997 has 4 divisors (see below), whose sum is σ = 2843820. Its totient is φ = 2654176.

The previous prime is 2748973. The next prime is 2749007. The reversal of 2748997 is 7998472.

2748997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 516961 + 2232036 = 719^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748997 - 2¹¹ = 2746949 is a prime.

It is a Duffinian number.

2748997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47368 + ... + 47425.

It is an arithmetic number, because the mean of its divisors is an integer number (710955).

2^2748997 is an apocalyptic number.

It is an amenable number.

2748997 is a deficient number, since it is larger than the sum of its proper divisors (94823).

2748997 is an equidigital number, since it uses as much as digits as its factorization.

2748997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94822.

The product of its digits is 254016, while the sum is 46.

The square root of 2748997 is about 1658.0099517192. The cubic root of 2748997 is about 140.0849314588.

The spelling of 2748997 in words is "two million, seven hundred forty-eight thousand, nine hundred ninety-seven".