404021230 has 8 divisors (see below), whose sum is σ = 727238232. Its totient is φ = 161608488.

The previous prime is 404021227. The next prime is 404021231. The reversal of 404021230 is 32120404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20201052 + ... + 20201071.

It is an arithmetic number, because the mean of its divisors is an integer number (90904779).

Almost surely, 2^404021230 is an apocalyptic number.

404021230 is a deficient number, since it is larger than the sum of its proper divisors (323217002).

404021230 is a wasteful number, since it uses less digits than its factorization.

404021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40402130.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404021230 is about 20100.2793512926. The cubic root of 404021230 is about 739.2671280916.

Adding to 404021230 its reverse (32120404), we get a palindrome (436141634).

The spelling of 404021230 in words is "four hundred four million, twenty-one thousand, two hundred thirty".