400104211 has 4 divisors (see below), whose sum is σ = 430881472. Its totient is φ = 369326952.

The previous prime is 400104181. The next prime is 400104227. The reversal of 400104211 is 112401004.

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 400104211 - 2⁵ = 400104179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 30777247 = 400104211 / (4 + 0 + 0 + 1 + 0 + 4 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400104191 and 400104200.

It is not an unprimeable number, because it can be changed into a prime (400104611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15388611 + ... + 15388636.

It is an arithmetic number, because the mean of its divisors is an integer number (107720368).

Almost surely, 2^400104211 is an apocalyptic number.

400104211 is a deficient number, since it is larger than the sum of its proper divisors (30777261).

400104211 is a wasteful number, since it uses less digits than its factorization.

400104211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30777260.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 400104211 is about 20002.6051053357. The cubic root of 400104211 is about 736.8702802733.

Adding to 400104211 its reverse (112401004), we get a palindrome (512505215).

The spelling of 400104211 in words is "four hundred million, one hundred four thousand, two hundred eleven".