2768393 has 4 divisors (see below), whose sum is σ = 2857728. Its totient is φ = 2679060.

The previous prime is 2768371. The next prime is 2768401. The reversal of 2768393 is 3938672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2768393 - 2⁶ = 2768329 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2768323) 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, 44621 + ... + 44682.

It is an arithmetic number, because the mean of its divisors is an integer number (714432).

2^2768393 is an apocalyptic number.

It is an amenable number.

2768393 is a deficient number, since it is larger than the sum of its proper divisors (89335).

2768393 is an equidigital number, since it uses as much as digits as its factorization.

2768393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89334.

The product of its digits is 54432, while the sum is 38.

The square root of 2768393 is about 1663.8488513083. The cubic root of 2768393 is about 140.4136237027.

The spelling of 2768393 in words is "two million, seven hundred sixty-eight thousand, three hundred ninety-three".