806426 has 16 divisors (see below), whose sum is σ = 1292544. Its totient is φ = 376464.

The previous prime is 806389. The next prime is 806447. The reversal of 806426 is 624608.

It is a junction number, because it is equal to n+sod(n) for n = 806395 and 806404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (80784).

2⁸⁰⁶⁴²⁶ is an apocalyptic number.

806426 is a deficient number, since it is larger than the sum of its proper divisors (486118).

806426 is a wasteful number, since it uses less digits than its factorization.

806426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

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

The square root of 806426 is about 898.0122493597. The cubic root of 806426 is about 93.0796711967.

The spelling of 806426 in words is "eight hundred six thousand, four hundred twenty-six".