406911 has 4 divisors (see below), whose sum is σ = 542552. Its totient is φ = 271272.

The previous prime is 406907. The next prime is 406951. The reversal of 406911 is 119604.

406911 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 not a de Polignac number, because 406911 - 2² = 406907 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 406911.

It is not an unprimeable number, because it can be changed into a prime (406951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67816 + ... + 67821.

It is an arithmetic number, because the mean of its divisors is an integer number (135638).

2⁴⁰⁶⁹¹¹ is an apocalyptic number.

406911 is a deficient number, since it is larger than the sum of its proper divisors (135641).

406911 is a wasteful number, since it uses less digits than its factorization.

406911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135640.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 406911 is about 637.8957595093. The cubic root of 406911 is about 74.1025483524.

The spelling of 406911 in words is "four hundred six thousand, nine hundred eleven".