406611 has 6 divisors (see below), whose sum is σ = 587340. Its totient is φ = 271068.

The previous prime is 406591. The next prime is 406631. The reversal of 406611 is 116604.

406611 is a `hidden beast` number, since 4 + 0 + 661 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (406591) and next prime (406631).

It is not a de Polignac number, because 406611 - 2⁵ = 406579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22581 + ... + 22598.

It is an arithmetic number, because the mean of its divisors is an integer number (97890).

2⁴⁰⁶⁶¹¹ is an apocalyptic number.

406611 is a deficient number, since it is larger than the sum of its proper divisors (180729).

406611 is a wasteful number, since it uses less digits than its factorization.

406611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45185 (or 45182 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 406611 is about 637.6605680140. The cubic root of 406611 is about 74.0843328785.

The spelling of 406611 in words is "four hundred six thousand, six hundred eleven".