2628306 has 24 divisors (see below), whose sum is σ = 5738304. Its totient is φ = 869400.

The previous prime is 2628277. The next prime is 2628331. The reversal of 2628306 is 6038262.

2628306 is a `hidden beast` number, since 2 + 628 + 30 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2628306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (239096).

2^2628306 is an apocalyptic number.

2628306 is an abundant number, since it is smaller than the sum of its proper divisors (3109998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2628306 is a wasteful number, since it uses less digits than its factorization.

2628306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2628306 is about 1621.2051073199. The cubic root of 2628306 is about 138.0040956566.

The spelling of 2628306 in words is "two million, six hundred twenty-eight thousand, three hundred six".