2263785 has 8 divisors (see below), whose sum is σ = 3622080. Its totient is φ = 1207344.

The previous prime is 2263777. The next prime is 2263787. The reversal of 2263785 is 5873622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2263785 - 2³ = 2263777 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁷ + 2²¹ + 6⁶ + 3⁷ + 7⁶ + 8 + 5 .

2263785 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2263787) 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, 75445 + ... + 75474.

It is an arithmetic number, because the mean of its divisors is an integer number (452760).

2^2263785 is an apocalyptic number.

It is an amenable number.

2263785 is a deficient number, since it is larger than the sum of its proper divisors (1358295).

2263785 is a wasteful number, since it uses less digits than its factorization.

2263785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150927.

The product of its digits is 20160, while the sum is 33.

The square root of 2263785 is about 1504.5879834692. The cubic root of 2263785 is about 131.3041318662.

It can be divided in two parts, 22637 and 85, that added together give a palindrome (22722).

The spelling of 2263785 in words is "two million, two hundred sixty-three thousand, seven hundred eighty-five".