3947338952 has 36 divisors (see below), whose sum is σ = 7511147955. Its totient is φ = 1944792576.

The previous prime is 3947338921. The next prime is 3947338979. The reversal of 3947338952 is 2598337493.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 3565761796 + 381577156 = 59714^2 + 19534^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44426.

It is a junction number, because it is equal to n+sod(n) for n = 3947338894 and 3947338903.

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 8 ways as a sum of consecutive naturals, for example, 17237174 + ... + 17237402.

Almost surely, 2^3947338952 is an apocalyptic number.

It is an amenable number.

3947338952 is a deficient number, since it is larger than the sum of its proper divisors (3563809003).

3947338952 is an frugal number, since it uses more digits than its factorization.

3947338952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 328 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The square root of 3947338952 is about 62827.8517219871. The cubic root of 3947338952 is about 1580.4040722658.

The spelling of 3947338952 in words is "three billion, nine hundred forty-seven million, three hundred thirty-eight thousand, nine hundred fifty-two".