2628311 has 6 divisors (see below), whose sum is σ = 3057480. Its totient is φ = 2252796.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628311 is 1138262.

2628311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2628311 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 (2628331) 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 5 ways as a sum of consecutive naturals, for example, 26771 + ... + 26868.

It is an arithmetic number, because the mean of its divisors is an integer number (509580).

2^2628311 is an apocalyptic number.

2628311 is a deficient number, since it is larger than the sum of its proper divisors (429169).

2628311 is an equidigital number, since it uses as much as digits as its factorization.

2628311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53653 (or 53646 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 2628311 is about 1621.2066493819. The cubic root of 2628311 is about 138.0041831680.

The spelling of 2628311 in words is "two million, six hundred twenty-eight thousand, three hundred eleven".