2285643 has 8 divisors (see below), whose sum is σ = 3208000. Its totient is φ = 1443528.

The previous prime is 2285641. The next prime is 2285653. The reversal of 2285643 is 3465822.

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

It is not a de Polignac number, because 2285643 - 2¹ = 2285641 is a prime.

It is a Duffinian number.

2285643 is a modest number, since divided by 5643 gives 228 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2285643.

It is not an unprimeable number, because it can be changed into a prime (2285641) 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, 19993 + ... + 20106.

It is an arithmetic number, because the mean of its divisors is an integer number (401000).

2^2285643 is an apocalyptic number.

2285643 is a deficient number, since it is larger than the sum of its proper divisors (922357).

2285643 is a wasteful number, since it uses less digits than its factorization.

2285643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40121.

The product of its digits is 11520, while the sum is 30.

The square root of 2285643 is about 1511.8343163191. The cubic root of 2285643 is about 131.7253817781.

The spelling of 2285643 in words is "two million, two hundred eighty-five thousand, six hundred forty-three".