8956646 has 4 divisors (see below), whose sum is σ = 13434972. Its totient is φ = 4478322.

The previous prime is 8956643. The next prime is 8956663. The reversal of 8956646 is 6466598.

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

It is a junction number, because it is equal to n+sod(n) for n = 8956597 and 8956606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8956643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239160 + ... + 2239163.

It is an arithmetic number, because the mean of its divisors is an integer number (3358743).

Almost surely, 2^8956646 is an apocalyptic number.

8956646 is a deficient number, since it is larger than the sum of its proper divisors (4478326).

8956646 is a wasteful number, since it uses less digits than its factorization.

8956646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478325.

The product of its digits is 311040, while the sum is 44.

The square root of 8956646 is about 2992.7656106017. The cubic root of 8956646 is about 207.6738447307.

The spelling of 8956646 in words is "eight million, nine hundred fifty-six thousand, six hundred forty-six".