3947948318 has 8 divisors (see below), whose sum is σ = 6270270912. Its totient is φ = 1857858016.

The previous prime is 3947948299. The next prime is 3947948341. The reversal of 3947948318 is 8138497493.

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

It is a congruent number.

It is an unprimeable number.

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, 58058030 + ... + 58058097.

It is an arithmetic number, because the mean of its divisors is an integer number (783783864).

Almost surely, 2^3947948318 is an apocalyptic number.

3947948318 is a deficient number, since it is larger than the sum of its proper divisors (2322322594).

3947948318 is a wasteful number, since it uses less digits than its factorization.

3947948318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116116146.

The product of its digits is 5225472, while the sum is 56.

The square root of 3947948318 is about 62832.7010242278. The cubic root of 3947948318 is about 1580.4853924470.

The spelling of 3947948318 in words is "three billion, nine hundred forty-seven million, nine hundred forty-eight thousand, three hundred eighteen".