2284857 has 12 divisors (see below), whose sum is σ = 3328000. Its totient is φ = 1510488.

The previous prime is 2284837. The next prime is 2284859. The reversal of 2284857 is 7584822.

It is a happy number.

It is not a de Polignac number, because 2284857 - 2¹⁰ = 2283833 is a prime.

It is a Duffinian number.

2284857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2284859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144 + ... + 2142.

2^2284857 is an apocalyptic number.

It is an amenable number.

2284857 is a deficient number, since it is larger than the sum of its proper divisors (1043143).

2284857 is a wasteful number, since it uses less digits than its factorization.

2284857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132 (or 2129 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2284857 is about 1511.5743448471. The cubic root of 2284857 is about 131.7102805541.

The spelling of 2284857 in words is "two million, two hundred eighty-four thousand, eight hundred fifty-seven".