816411 has 8 divisors (see below), whose sum is σ = 1145920. Its totient is φ = 515592.

The previous prime is 816401. The next prime is 816427. The reversal of 816411 is 114618.

816411 = T₁₈₈ + T₁₈₉ + ... + T₂₂₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 816411 - 2¹⁷ = 685339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (816401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7105 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (143240).

2⁸¹⁶⁴¹¹ is an apocalyptic number.

816411 is a deficient number, since it is larger than the sum of its proper divisors (329509).

816411 is a wasteful number, since it uses less digits than its factorization.

816411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14345.

The product of its digits is 192, while the sum is 21.

The square root of 816411 is about 903.5546469362. The cubic root of 816411 is about 93.4622608807.

The spelling of 816411 in words is "eight hundred sixteen thousand, four hundred eleven".