663223846 has 8 divisors (see below), whose sum is σ = 999180720. Its totient is φ = 330163608.

The previous prime is 663223829. The next prime is 663223859. The reversal of 663223846 is 648322366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 663223799 and 663223808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723586 + ... + 724501.

It is an arithmetic number, because the mean of its divisors is an integer number (124897590).

Almost surely, 2^663223846 is an apocalyptic number.

663223846 is a deficient number, since it is larger than the sum of its proper divisors (335956874).

663223846 is a wasteful number, since it uses less digits than its factorization.

663223846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448318.

The product of its digits is 248832, while the sum is 40.

The square root of 663223846 is about 25753.1327414744. The cubic root of 663223846 is about 872.0740782044.

The spelling of 663223846 in words is "six hundred sixty-three million, two hundred twenty-three thousand, eight hundred forty-six".