2263646 has 16 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 881880.

The previous prime is 2263643. The next prime is 2263687. The reversal of 2263646 is 6463622.

It is a Curzon 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^2263646 is an apocalyptic number.

2263646 is a deficient number, since it is larger than the sum of its proper divisors (1969954).

2263646 is a wasteful number, since it uses less digits than its factorization.

2263646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14719.

The product of its digits is 10368, while the sum is 29.

The square root of 2263646 is about 1504.5417907124. The cubic root of 2263646 is about 131.3014443836.

The spelling of 2263646 in words is "two million, two hundred sixty-three thousand, six hundred forty-six".