2797873 has 8 divisors (see below), whose sum is σ = 3026408. Its totient is φ = 2571264.

The previous prime is 2797867. The next prime is 2797889. The reversal of 2797873 is 3787972.

It can be written as a sum of positive squares in 4 ways, for example, as 815409 + 1982464 = 903^2 + 1408^2 .

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 2797873 - 2⁵ = 2797841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2797813) 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, 4561 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (378301).

2^2797873 is an apocalyptic number.

It is an amenable number.

2797873 is a deficient number, since it is larger than the sum of its proper divisors (228535).

2797873 is a wasteful number, since it uses less digits than its factorization.

2797873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 148176, while the sum is 43.

The square root of 2797873 is about 1672.6843695091. The cubic root of 2797873 is about 140.9102760661.

Subtracting 2797873 from its reverse (3787972), we obtain a palindrome (990099).

The spelling of 2797873 in words is "two million, seven hundred ninety-seven thousand, eight hundred seventy-three".