2285897 has 4 divisors (see below), whose sum is σ = 2347716. Its totient is φ = 2224080.

The previous prime is 2285893. The next prime is 2285911. The reversal of 2285897 is 7985822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 891136 + 1394761 = 944^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285897 - 2² = 2285893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30854 + ... + 30927.

It is an arithmetic number, because the mean of its divisors is an integer number (586929).

2^2285897 is an apocalyptic number.

It is an amenable number.

2285897 is a deficient number, since it is larger than the sum of its proper divisors (61819).

2285897 is an equidigital number, since it uses as much as digits as its factorization.

2285897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61818.

The product of its digits is 80640, while the sum is 41.

The square root of 2285897 is about 1511.9183178995. The cubic root of 2285897 is about 131.7302610772.

The spelling of 2285897 in words is "two million, two hundred eighty-five thousand, eight hundred ninety-seven".