2263656 has 32 divisors (see below), whose sum is σ = 5696640. Its totient is φ = 749568.

The previous prime is 2263643. The next prime is 2263687. The reversal of 2263656 is 6563622.

It is a d-powerful number, because it can be written as 2⁷ + 2¹³ + 6⁴ + 3⁹ + 6⁴ + 5⁹ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985 + ... + 6351.

It is an arithmetic number, because the mean of its divisors is an integer number (178020).

2^2263656 is an apocalyptic number.

It is an amenable number.

2263656 is an abundant number, since it is smaller than the sum of its proper divisors (3432984).

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

2263656 is a wasteful number, since it uses less digits than its factorization.

2263656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 629 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2263656 is about 1504.5451139796. The cubic root of 2263656 is about 131.3016377314.

The spelling of 2263656 in words is "two million, two hundred sixty-three thousand, six hundred fifty-six".