806406 has 8 divisors (see below), whose sum is σ = 1612824. Its totient is φ = 268800.

The previous prime is 806389. The next prime is 806447. The reversal of 806406 is 604608.

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

806406 is an admirable number.

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 806406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67195 + ... + 67206.

It is an arithmetic number, because the mean of its divisors is an integer number (201603).

2⁸⁰⁶⁴⁰⁶ is an apocalyptic number.

806406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

806406 is a wasteful number, since it uses less digits than its factorization.

806406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134406.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 806406 is about 898.0011135851. The cubic root of 806406 is about 93.0789017073.

The spelling of 806406 in words is "eight hundred six thousand, four hundred six".