2628279 has 12 divisors (see below), whose sum is σ = 3961776. Its totient is φ = 1675872.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628279 is 9728262.

2628279 is a `hidden beast` number, since 2 + 628 + 27 + 9 = 666.

2628279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2628279 - 2¹ = 2628277 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628277) 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 11 ways as a sum of consecutive naturals, for example, 6142 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (330148).

2^2628279 is an apocalyptic number.

2628279 is a deficient number, since it is larger than the sum of its proper divisors (1333497).

2628279 is a wasteful number, since it uses less digits than its factorization.

2628279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726 (or 12723 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2628279 is about 1621.1967801596. The cubic root of 2628279 is about 138.0036230933.

The spelling of 2628279 in words is "two million, six hundred twenty-eight thousand, two hundred seventy-nine".