2284605 has 20 divisors (see below), whose sum is σ = 4096092. Its totient is φ = 1218240.

The previous prime is 2284589. The next prime is 2284631. The reversal of 2284605 is 5064822.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 558009 = 1314^2 + 747^2 .

It is not a de Polignac number, because 2284605 - 2⁴ = 2284589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁹ + 8³ + 4² + 6⁸ + 0 + 5⁷ .

2284605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2416 + ... + 3225.

2^2284605 is an apocalyptic number.

It is an amenable number.

2284605 is a deficient number, since it is larger than the sum of its proper divisors (1811487).

2284605 is an equidigital number, since it uses as much as digits as its factorization.

2284605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2284605 is about 1511.4909857488. The cubic root of 2284605 is about 131.7054382072.

The spelling of 2284605 in words is "two million, two hundred eighty-four thousand, six hundred five".