400214411 has 4 divisors (see below), whose sum is σ = 400397472. Its totient is φ = 400031352.

The previous prime is 400214387. The next prime is 400214429. The reversal of 400214411 is 114412004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400214411 - 2¹⁴ = 400198027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400214411.

It is not an unprimeable number, because it can be changed into a prime (400214491) 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 in 3 ways as a sum of consecutive naturals, for example, 88211 + ... + 92636.

It is an arithmetic number, because the mean of its divisors is an integer number (100099368).

Almost surely, 2^400214411 is an apocalyptic number.

400214411 is a deficient number, since it is larger than the sum of its proper divisors (183061).

400214411 is a wasteful number, since it uses less digits than its factorization.

400214411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183060.

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

The square root of 400214411 is about 20005.3595568788. The cubic root of 400214411 is about 736.9379256921.

Adding to 400214411 its reverse (114412004), we get a palindrome (514626415).

The spelling of 400214411 in words is "four hundred million, two hundred fourteen thousand, four hundred eleven".