404231 has 8 divisors (see below), whose sum is σ = 427680. Its totient is φ = 381472.

The previous prime is 404221. The next prime is 404249. The reversal of 404231 is 132404.

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

It is a cyclic number.

It is not a de Polignac number, because 404231 - 2⁶ = 404167 is a prime.

It is a super-2 number, since 2×404231² = 326805402722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2⁴⁰⁴²³¹ is an apocalyptic number.

404231 is a deficient number, since it is larger than the sum of its proper divisors (23449).

404231 is a wasteful number, since it uses less digits than its factorization.

404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 404231 is about 635.7916325338. The cubic root of 404231 is about 73.9395049781.

Adding to 404231 its reverse (132404), we get a palindrome (536635).

The spelling of 404231 in words is "four hundred four thousand, two hundred thirty-one".