948663961 has 12 divisors (see below), whose sum is σ = 1104063780. Its totient is φ = 812760480.

The previous prime is 948663949. The next prime is 948663967. The reversal of 948663961 is 169366849.

It can be written as a sum of positive squares in 2 ways, for example, as 131790400 + 816873561 = 11480^2 + 28581^2 .

It is not a de Polignac number, because 948663961 - 2⁵ = 948663929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 948663899 and 948663908.

It is not an unprimeable number, because it can be changed into a prime (948663967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167191 + ... + 172771.

It is an arithmetic number, because the mean of its divisors is an integer number (92005315).

Almost surely, 2^948663961 is an apocalyptic number.

It is an amenable number.

948663961 is a deficient number, since it is larger than the sum of its proper divisors (155399819).

948663961 is a wasteful number, since it uses less digits than its factorization.

948663961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064 (or 9057 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 948663961 is about 30800.3889748165. The cubic root of 948663961 is about 982.5865177282.

The spelling of 948663961 in words is "nine hundred forty-eight million, six hundred sixty-three thousand, nine hundred sixty-one".