2284889 has 8 divisors (see below), whose sum is σ = 2443392. Its totient is φ = 2131360.

The previous prime is 2284879. The next prime is 2284913. The reversal of 2284889 is 9884822.

Added to its reverse (9884822) it gives a triangular number (12169711 = T₄₉₃₃).

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

It is a cyclic number.

It is not a de Polignac number, because 2284889 - 2⁴ = 2284873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 269 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (305424).

2^2284889 is an apocalyptic number.

It is an amenable number.

2284889 is a deficient number, since it is larger than the sum of its proper divisors (158503).

2284889 is a wasteful number, since it uses less digits than its factorization.

2284889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487.

The product of its digits is 73728, while the sum is 41.

The square root of 2284889 is about 1511.5849298005. The cubic root of 2284889 is about 131.7108954298.

Adding to 2284889 its reverse (9884822), we get a triangular number (12169711 = T₄₉₃₃).

It can be divided in two parts, 2 and 284889, that multiplied together give a triangular number (569778 = T₁₀₆₇).

The spelling of 2284889 in words is "two million, two hundred eighty-four thousand, eight hundred eighty-nine".