8223906 has 16 divisors (see below), whose sum is σ = 16560000. Its totient is φ = 2722608.

The previous prime is 8223899. The next prime is 8223967. The reversal of 8223906 is 6093228.

It is a Curzon 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, 3706 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1035000).

Almost surely, 2^8223906 is an apocalyptic number.

8223906 is an abundant number, since it is smaller than the sum of its proper divisors (8336094).

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

8223906 is a wasteful number, since it uses less digits than its factorization.

8223906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 8223906 is about 2867.7353434374. The cubic root of 8223906 is about 201.8487414526.

The spelling of 8223906 in words is "eight million, two hundred twenty-three thousand, nine hundred six".