949918660 has 24 divisors (see below), whose sum is σ = 1995701400. Its totient is φ = 379801344.

The previous prime is 949918643. The next prime is 949918679. The reversal of 949918660 is 66819949.

It can be written as a sum of positive squares in 4 ways, for example, as 238949764 + 710968896 = 15458^2 + 26664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 949918598 and 949918607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43266 + ... + 61414.

It is an arithmetic number, because the mean of its divisors is an integer number (83154225).

Almost surely, 2^949918660 is an apocalyptic number.

It is an amenable number.

949918660 is an abundant number, since it is smaller than the sum of its proper divisors (1045782740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949918660 is a wasteful number, since it uses less digits than its factorization.

949918660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775 (or 20773 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 949918660 is about 30820.7504775598. The cubic root of 949918660 is about 983.0195151681.

The spelling of 949918660 in words is "nine hundred forty-nine million, nine hundred eighteen thousand, six hundred sixty".