404930 has 8 divisors (see below), whose sum is σ = 728892. Its totient is φ = 161968.

The previous prime is 404851. The next prime is 404941. The reversal of 404930 is 39404.

404930 is digitally balanced in base 3, 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 2 ways, for example, as 368449 + 36481 = 607^2 + 191^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20237 + ... + 20256.

2⁴⁰⁴⁹³⁰ is an apocalyptic number.

404930 is a deficient number, since it is larger than the sum of its proper divisors (323962).

404930 is a wasteful number, since it uses less digits than its factorization.

404930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40500.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 404930 is about 636.3411034972. The cubic root of 404930 is about 73.9820993955.

The spelling of 404930 in words is "four hundred four thousand, nine hundred thirty".