404306 has 8 divisors (see below), whose sum is σ = 693120. Its totient is φ = 173268.

The previous prime is 404291. The next prime is 404309. The reversal of 404306 is 603404.

It is a sphenic number, since it is the product of 3 distinct primes.

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

404306 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14426 + ... + 14453.

It is an arithmetic number, because the mean of its divisors is an integer number (86640).

2⁴⁰⁴³⁰⁶ is an apocalyptic number.

404306 is a deficient number, since it is larger than the sum of its proper divisors (288814).

404306 is a wasteful number, since it uses less digits than its factorization.

404306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28888.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 404306 is about 635.8506113860. The cubic root of 404306 is about 73.9440775450.

The spelling of 404306 in words is "four hundred four thousand, three hundred six".