2628811 has 2 divisors, whose sum is σ = 2628812. Its totient is φ = 2628810.

The previous prime is 2628809. The next prime is 2628817. The reversal of 2628811 is 1188262.

2628811 is nontrivially palindromic in base 6.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2628811 - 2¹ = 2628809 is a prime.

It is a super-3 number, since 3×2628811³ = 54500356710833327193, which contains 333 as substring.

Together with 2628809, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2628811.

It is not a weakly prime, because it can be changed into another prime (2628817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314405 + 1314406.

It is an arithmetic number, because the mean of its divisors is an integer number (1314406).

2^2628811 is an apocalyptic number.

2628811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628811 is an equidigital number, since it uses as much as digits as its factorization.

2628811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 2628811 is about 1621.3608481766. The cubic root of 2628811 is about 138.0129337454.

The spelling of 2628811 in words is "two million, six hundred twenty-eight thousand, eight hundred eleven".