404003234 has 16 divisors (see below), whose sum is σ = 654160320. Its totient is φ = 186555600.

The previous prime is 404003231. The next prime is 404003261. The reversal of 404003234 is 432300404.

It is a happy number.

It is a super-2 number, since 2×404003234² = 326437226164917512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150092 + ... + 152759.

It is an arithmetic number, because the mean of its divisors is an integer number (40885020).

Almost surely, 2^404003234 is an apocalyptic number.

404003234 is a deficient number, since it is larger than the sum of its proper divisors (250157086).

404003234 is a wasteful number, since it uses less digits than its factorization.

404003234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302905.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 404003234 is about 20099.8316908376. The cubic root of 404003234 is about 739.2561517305.

Adding to 404003234 its reverse (432300404), we get a palindrome (836303638).

It can be divided in two parts, 40400 and 3234, that added together give a palindrome (43634).

The spelling of 404003234 in words is "four hundred four million, three thousand, two hundred thirty-four".