404303 has 4 divisors (see below), whose sum is σ = 408408. Its totient is φ = 400200.

The previous prime is 404291. The next prime is 404309. The reversal of 404303 is 303404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404303 - 2¹² = 400207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (102102).

2⁴⁰⁴³⁰³ is an apocalyptic number.

404303 is a deficient number, since it is larger than the sum of its proper divisors (4105).

404303 is a wasteful number, since it uses less digits than its factorization.

404303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 404303 is about 635.8482523370. The cubic root of 404303 is about 73.9438946532.

Adding to 404303 its reverse (303404), we get a palindrome (707707).

It can be divided in two parts, 404 and 303, that added together give a palindrome (707).

The spelling of 404303 in words is "four hundred four thousand, three hundred three", and thus it is an iban number.