3948185672 has 16 divisors (see below), whose sum is σ = 7838310060. Its totient is φ = 1857969664.

The previous prime is 3948185663. The next prime is 3948185713. The reversal of 3948185672 is 2765818493.

It can be written as a sum of positive squares in 2 ways, for example, as 3935554756 + 12630916 = 62734^2 + 3554^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14515253 + ... + 14515524.

Almost surely, 2^3948185672 is an apocalyptic number.

It is an amenable number.

3948185672 is a deficient number, since it is larger than the sum of its proper divisors (3890124388).

3948185672 is a wasteful number, since it uses less digits than its factorization.

3948185672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29030800 (or 29030796 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 3948185672 is about 62834.5897734679. The cubic root of 3948185672 is about 1580.5170651862.

The spelling of 3948185672 in words is "three billion, nine hundred forty-eight million, one hundred eighty-five thousand, six hundred seventy-two".