404234356 has 6 divisors (see below), whose sum is σ = 707410130. Its totient is φ = 202117176.

The previous prime is 404234353. The next prime is 404234387. The reversal of 404234356 is 653432404.

It can be written as a sum of positive squares in only one way, i.e., 365421456 + 38812900 = 19116^2 + 6230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404234353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50529291 + ... + 50529298.

Almost surely, 2^404234356 is an apocalyptic number.

It is an amenable number.

404234356 is a deficient number, since it is larger than the sum of its proper divisors (303175774).

404234356 is a wasteful number, since it uses less digits than its factorization.

404234356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101058593 (or 101058591 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 404234356 is about 20105.5802204264. The cubic root of 404234356 is about 739.3970959728.

The spelling of 404234356 in words is "four hundred four million, two hundred thirty-four thousand, three hundred fifty-six".