948663646 has 32 divisors (see below), whose sum is σ = 1678809600. Its totient is φ = 393551136.

The previous prime is 948663641. The next prime is 948663659. The reversal of 948663646 is 646366849.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 948663593 and 948663602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948663641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98481 + ... + 107683.

It is an arithmetic number, because the mean of its divisors is an integer number (52462800).

Almost surely, 2^948663646 is an apocalyptic number.

948663646 is a deficient number, since it is larger than the sum of its proper divisors (730145954).

948663646 is a wasteful number, since it uses less digits than its factorization.

948663646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448.

The product of its digits is 4478976, while the sum is 52.

The square root of 948663646 is about 30800.3838612443. The cubic root of 948663646 is about 982.5864089736.

The spelling of 948663646 in words is "nine hundred forty-eight million, six hundred sixty-three thousand, six hundred forty-six".