400414211 has 2 divisors, whose sum is σ = 400414212. Its totient is φ = 400414210.

The previous prime is 400414193. The next prime is 400414247. The reversal of 400414211 is 112414004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400414211 - 2¹⁴ = 400397827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400414211.

It is not a weakly prime, because it can be changed into another prime (400411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200207105 + 200207106.

It is an arithmetic number, because the mean of its divisors is an integer number (200207106).

Almost surely, 2^400414211 is an apocalyptic number.

400414211 is a deficient number, since it is larger than the sum of its proper divisors (1).

400414211 is an equidigital number, since it uses as much as digits as its factorization.

400414211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 400414211 is about 20010.3525955941. The cubic root of 400414211 is about 737.0605397193.

Adding to 400414211 its reverse (112414004), we get a palindrome (512828215).

The spelling of 400414211 in words is "four hundred million, four hundred fourteen thousand, two hundred eleven".