2404305 has 36 divisors (see below), whose sum is σ = 4399668. Its totient is φ = 1214400.

The previous prime is 2404291. The next prime is 2404313. The reversal of 2404305 is 5034042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1718721 + 685584 = 1311^2 + 828^2 .

It is not a de Polignac number, because 2404305 - 2⁴ = 2404289 is a prime.

It is a Curzon number.

2404305 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 35 ways as a sum of consecutive naturals, for example, 23755 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (122213).

2^2404305 is an apocalyptic number.

It is an amenable number.

2404305 is a deficient number, since it is larger than the sum of its proper divisors (1995363).

2404305 is a wasteful number, since it uses less digits than its factorization.

2404305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2404305 is about 1550.5821487429. The cubic root of 2404305 is about 133.9665952227.

Adding to 2404305 its reverse (5034042), we get a palindrome (7438347).

The spelling of 2404305 in words is "two million, four hundred four thousand, three hundred five".