2263648 has 24 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 1120896.

The previous prime is 2263643. The next prime is 2263687. The reversal of 2263648 is 8463622.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

2^2263648 is an apocalyptic number.

It is an amenable number.

2263648 is a deficient number, since it is larger than the sum of its proper divisors (2236064).

2263648 is a wasteful number, since it uses less digits than its factorization.

2263648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 686 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 2263648 is about 1504.5424553664. The cubic root of 2263648 is about 131.3014830532.

The spelling of 2263648 in words is "two million, two hundred sixty-three thousand, six hundred forty-eight".