2768213 has 4 divisors (see below), whose sum is σ = 3163680. Its totient is φ = 2372748.

The previous prime is 2768209. The next prime is 2768231. The reversal of 2768213 is 3128672.

It is a happy number.

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 not a de Polignac number, because 2768213 - 2² = 2768209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768203) 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, 197723 + ... + 197736.

It is an arithmetic number, because the mean of its divisors is an integer number (790920).

2^2768213 is an apocalyptic number.

It is an amenable number.

2768213 is a deficient number, since it is larger than the sum of its proper divisors (395467).

2768213 is an equidigital number, since it uses as much as digits as its factorization.

2768213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395466.

The product of its digits is 4032, while the sum is 29.

The square root of 2768213 is about 1663.7947589772. The cubic root of 2768213 is about 140.4105804209.

The spelling of 2768213 in words is "two million, seven hundred sixty-eight thousand, two hundred thirteen".