404321234 has 8 divisors (see below), whose sum is σ = 642157308. Its totient is φ = 190268800.

The previous prime is 404321233. The next prime is 404321263. The reversal of 404321234 is 432123404.

It can be written as a sum of positive squares in 2 ways, for example, as 403005625 + 1315609 = 20075^2 + 1147^2 .

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 (404321233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5945867 + ... + 5945934.

Almost surely, 2^404321234 is an apocalyptic number.

404321234 is a deficient number, since it is larger than the sum of its proper divisors (237836074).

404321234 is a wasteful number, since it uses less digits than its factorization.

404321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891820.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 404321234 is about 20107.7406488148. The cubic root of 404321234 is about 739.4500625573.

Adding to 404321234 its reverse (432123404), we get a palindrome (836444638).

The spelling of 404321234 in words is "four hundred four million, three hundred twenty-one thousand, two hundred thirty-four".