8047946 has 4 divisors (see below), whose sum is σ = 12071922. Its totient is φ = 4023972.

The previous prime is 8047939. The next prime is 8047957. The reversal of 8047946 is 6497408.

It is a happy number.

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., 5812921 + 2235025 = 2411^2 + 1495^2 .

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, 2011985 + ... + 2011988.

Almost surely, 2^8047946 is an apocalyptic number.

8047946 is a deficient number, since it is larger than the sum of its proper divisors (4023976).

8047946 is a wasteful number, since it uses less digits than its factorization.

8047946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023975.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8047946 is about 2836.8901987916. The cubic root of 8047946 is about 200.3987544461.

The spelling of 8047946 in words is "eight million, forty-seven thousand, nine hundred forty-six".