406326 has 16 divisors (see below), whose sum is σ = 818928. Its totient is φ = 134400.

The previous prime is 406313. The next prime is 406327. The reversal of 406326 is 623604.

406326 is nontrivially palindromic in base 16.

406326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406327) by changing a digit.

406326 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (51183).

2⁴⁰⁶³²⁶ is an apocalyptic number.

406326 is an abundant number, since it is smaller than the sum of its proper divisors (412602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406326 is a wasteful number, since it uses less digits than its factorization.

406326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 406326 is about 637.4370557161. The cubic root of 406326 is about 74.0670198776.

The spelling of 406326 in words is "four hundred six thousand, three hundred twenty-six".