8400011 has 2 divisors, whose sum is σ = 8400012. Its totient is φ = 8400010.

The previous prime is 8399987. The next prime is 8400019. The reversal of 8400011 is 1100048.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8400011 - 2¹⁸ = 8137867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8400019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200005 + 4200006.

It is an arithmetic number, because the mean of its divisors is an integer number (4200006).

Almost surely, 2^8400011 is an apocalyptic number.

8400011 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400011 is an equidigital number, since it uses as much as digits as its factorization.

8400011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 8400011 is about 2898.2772469176. The cubic root of 8400011 is about 203.2793600959.

Adding to 8400011 its reverse (1100048), we get a palindrome (9500059).

The spelling of 8400011 in words is "eight million, four hundred thousand, eleven".