406286 has 8 divisors (see below), whose sum is σ = 629184. Its totient is φ = 196560.

The previous prime is 406271. The next prime is 406309. The reversal of 406286 is 682604.

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

It is a congruent number.

It is an unprimeable number.

406286 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 3 ways as a sum of consecutive naturals, for example, 3215 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (78648).

2⁴⁰⁶²⁸⁶ is an apocalyptic number.

406286 is a deficient number, since it is larger than the sum of its proper divisors (222898).

406286 is a wasteful number, since it uses less digits than its factorization.

406286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 406286 is about 637.4056792969. The cubic root of 406286 is about 74.0645893350.

The spelling of 406286 in words is "four hundred six thousand, two hundred eighty-six".