2287849 has 4 divisors (see below), whose sum is σ = 2322064. Its totient is φ = 2253636.

The previous prime is 2287823. The next prime is 2287861. The reversal of 2287849 is 9487822.

2287849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2287849 - 2¹³ = 2279657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2287249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17007 + ... + 17140.

It is an arithmetic number, because the mean of its divisors is an integer number (580516).

2^2287849 is an apocalyptic number.

It is an amenable number.

2287849 is a deficient number, since it is larger than the sum of its proper divisors (34215).

2287849 is an equidigital number, since it uses as much as digits as its factorization.

2287849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34214.

The product of its digits is 64512, while the sum is 40.

The square root of 2287849 is about 1512.5637176661. The cubic root of 2287849 is about 131.7677466262.

It can be divided in two parts, 2287 and 849, that added together give a square (3136 = 56²).

The spelling of 2287849 in words is "two million, two hundred eighty-seven thousand, eight hundred forty-nine".