2284405 has 4 divisors (see below), whose sum is σ = 2741292. Its totient is φ = 1827520.

The previous prime is 2284391. The next prime is 2284423. The reversal of 2284405 is 5044822.

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 544644 + 1739761 = 738^2 + 1319^2 .

It is not a de Polignac number, because 2284405 - 2⁷ = 2284277 is a prime.

It is an Ulam number.

It is a Duffinian number.

2284405 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2284405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228436 + ... + 228445.

It is an arithmetic number, because the mean of its divisors is an integer number (685323).

2^2284405 is an apocalyptic number.

It is an amenable number.

2284405 is a deficient number, since it is larger than the sum of its proper divisors (456887).

2284405 is an equidigital number, since it uses as much as digits as its factorization.

2284405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456886.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2284405 is about 1511.4248244620. The cubic root of 2284405 is about 131.7015948212.

The spelling of 2284405 in words is "two million, two hundred eighty-four thousand, four hundred five".