404130234 has 8 divisors (see below), whose sum is σ = 808260480. Its totient is φ = 134710076.

The previous prime is 404130203. The next prime is 404130257. The reversal of 404130234 is 432031404.

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

404130234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 404130234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33677514 + ... + 33677525.

It is an arithmetic number, because the mean of its divisors is an integer number (101032560).

Almost surely, 2^404130234 is an apocalyptic number.

404130234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404130234 is a wasteful number, since it uses less digits than its factorization.

404130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67355044.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404130234 is about 20102.9906730317. The cubic root of 404130234 is about 739.3336063045. Note that the first 3 decimals are identical.

Adding to 404130234 its reverse (432031404), we get a palindrome (836161638).

The spelling of 404130234 in words is "four hundred four million, one hundred thirty thousand, two hundred thirty-four".