949478171 has 4 divisors (see below), whose sum is σ = 949689312. Its totient is φ = 949267032.

The previous prime is 949478147. The next prime is 949478177. The reversal of 949478171 is 171874949.

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

It is a cyclic number.

It is not a de Polignac number, because 949478171 - 2⁶ = 949478107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949478177) 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 3 ways as a sum of consecutive naturals, for example, 98675 + ... + 107868.

It is an arithmetic number, because the mean of its divisors is an integer number (237422328).

Almost surely, 2^949478171 is an apocalyptic number.

949478171 is a deficient number, since it is larger than the sum of its proper divisors (211141).

949478171 is a wasteful number, since it uses less digits than its factorization.

949478171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211140.

The product of its digits is 508032, while the sum is 50.

The square root of 949478171 is about 30813.6036678607. The cubic root of 949478171 is about 982.8675455840.

The spelling of 949478171 in words is "nine hundred forty-nine million, four hundred seventy-eight thousand, one hundred seventy-one".