2645268 has 24 divisors (see below), whose sum is σ = 6535872. Its totient is φ = 829824.

The previous prime is 2645267. The next prime is 2645297. The reversal of 2645268 is 8625462.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (272328).

2^2645268 is an apocalyptic number.

It is an amenable number.

2645268 is an abundant number, since it is smaller than the sum of its proper divisors (3890604).

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

2645268 is a wasteful number, since it uses less digits than its factorization.

2645268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991 (or 12989 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2645268 is about 1626.4279879540. The cubic root of 2645268 is about 138.3003330905.

The spelling of 2645268 in words is "two million, six hundred forty-five thousand, two hundred sixty-eight".