39948171 has 8 divisors (see below), whose sum is σ = 55580160. Its totient is φ = 25474152.

The previous prime is 39948169. The next prime is 39948193. The reversal of 39948171 is 17184993.

It is a happy number.

39948171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39948171 - 2¹ = 39948169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39948101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289411 + ... + 289548.

It is an arithmetic number, because the mean of its divisors is an integer number (6947520).

Almost surely, 2^39948171 is an apocalyptic number.

39948171 is a deficient number, since it is larger than the sum of its proper divisors (15631989).

39948171 is a wasteful number, since it uses less digits than its factorization.

39948171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578985.

The product of its digits is 54432, while the sum is 42.

The square root of 39948171 is about 6320.4565499654. The cubic root of 39948171 is about 341.8474149197.

The spelling of 39948171 in words is "thirty-nine million, nine hundred forty-eight thousand, one hundred seventy-one".