8204906 has 4 divisors (see below), whose sum is σ = 12307362. Its totient is φ = 4102452.

The previous prime is 8204899. The next prime is 8204921. The reversal of 8204906 is 6094028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 2128681 = 2465^2 + 1459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051225 + ... + 2051228.

Almost surely, 2^8204906 is an apocalyptic number.

8204906 is a deficient number, since it is larger than the sum of its proper divisors (4102456).

8204906 is a wasteful number, since it uses less digits than its factorization.

8204906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102455.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8204906 is about 2864.4207093233. The cubic root of 8204906 is about 201.6931753358.

The spelling of 8204906 in words is "eight million, two hundred four thousand, nine hundred six".