2128268 has 12 divisors (see below), whose sum is σ = 3795120. Its totient is φ = 1043952.

The previous prime is 2128267. The next prime is 2128279. The reversal of 2128268 is 8628212.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2128268.

It is not an unprimeable number, because it can be changed into a prime (2128261) 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, 4808 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (316260).

2^2128268 is an apocalyptic number.

It is an amenable number.

2128268 is a deficient number, since it is larger than the sum of its proper divisors (1666852).

2128268 is a wasteful number, since it uses less digits than its factorization.

2128268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096 (or 10094 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 2128268 is about 1458.8584578361. The cubic root of 2128268 is about 128.6299512532.

The spelling of 2128268 in words is "two million, one hundred twenty-eight thousand, two hundred sixty-eight".