2638268 has 12 divisors (see below), whose sum is σ = 4729872. Its totient is φ = 1286880.

The previous prime is 2638267. The next prime is 2638271. The reversal of 2638268 is 8628362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638267) 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, 7880 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (394156).

2^2638268 is an apocalyptic number.

It is an amenable number.

2638268 is a deficient number, since it is larger than the sum of its proper divisors (2091604).

2638268 is a wasteful number, since it uses less digits than its factorization.

2638268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132 (or 16130 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2638268 is about 1624.2746073248. The cubic root of 2638268 is about 138.1782336118.

The spelling of 2638268 in words is "two million, six hundred thirty-eight thousand, two hundred sixty-eight".