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8411 = 13647

8411 has 4 divisors (see below), whose sum is σ = 9072. Its totient is φ = 7752.

The previous prime is 8389. The next prime is 8419. The reversal of 8411 is 1148.

It is a happy number.

8411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

8411 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8411 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a nialpdrome in base 10.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (8419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (2268).

28411 is an apocalyptic number.

8411 is a deficient number, since it is larger than the sum of its proper divisors (661).

8411 is a wasteful number, since it uses less digits than its factorization.

8411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

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

The square root of 8411 is about 91.7115041857. The cubic root of 8411 is about 20.3367965674.

Adding to 8411 its reverse (1148), we get a palindrome (9559).

The spelling of 8411 in words is "eight thousand, four hundred eleven".

Divisors: 1 13 647 8411