400004333 has 2 divisors, whose sum is σ = 400004334. Its totient is φ = 400004332.

The previous prime is 400004291. The next prime is 400004351. The reversal of 400004333 is 333400004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318336964 + 81667369 = 17842^2 + 9037^2 .

It is a cyclic number.

It is not a de Polignac number, because 400004333 - 2¹⁰ = 400003309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400000333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200002166 + 200002167.

It is an arithmetic number, because the mean of its divisors is an integer number (200002167).

Almost surely, 2^400004333 is an apocalyptic number.

It is an amenable number.

400004333 is a deficient number, since it is larger than the sum of its proper divisors (1).

400004333 is an equidigital number, since it uses as much as digits as its factorization.

400004333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 400004333 is about 20000.1083247066. The cubic root of 400004333 is about 736.8089602032.

Adding to 400004333 its reverse (333400004), we get a palindrome (733404337).

The spelling of 400004333 in words is "four hundred million, four thousand, three hundred thirty-three".