240404 has 6 divisors (see below), whose sum is σ = 420714. Its totient is φ = 120200.

The previous prime is 240379. The next prime is 240421. The reversal of 240404 is 404042.

240404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 36100 = 452^2 + 190^2 .

240404 is a modest number, since divided by 404 gives 24 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30047 + ... + 30054.

It is an arithmetic number, because the mean of its divisors is an integer number (70119).

2²⁴⁰⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

240404 is a deficient number, since it is larger than the sum of its proper divisors (180310).

240404 is a wasteful number, since it uses less digits than its factorization.

240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60105 (or 60103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240404 is about 490.3101059534. The cubic root of 240404 is about 62.1795006251.

Adding to 240404 its reverse (404042), we get a palindrome (644446).

It can be divided in two parts, 2 and 40404, that multiplied together give a palindrome (80808).

The spelling of 240404 in words is "two hundred forty thousand, four hundred four", and thus it is an iban number.