3948647445 has 24 divisors (see below), whose sum is σ = 6860236032. Its totient is φ = 2101048800.

The previous prime is 3948647411. The next prime is 3948647467. The reversal of 3948647445 is 5447468493.

3948647445 is a `hidden beast` number, since 3 + 94 + 86 + 474 + 4 + 5 = 666.

It is not a de Polignac number, because 3948647445 - 2²⁸ = 3680211989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3948647391 and 3948647400.

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 23 ways as a sum of consecutive naturals, for example, 82401 + ... + 121190.

It is an arithmetic number, because the mean of its divisors is an integer number (285843168).

Almost surely, 2^3948647445 is an apocalyptic number.

It is an amenable number.

3948647445 is a deficient number, since it is larger than the sum of its proper divisors (2911588587).

3948647445 is a wasteful number, since it uses less digits than its factorization.

3948647445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204033 (or 204030 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The square root of 3948647445 is about 62838.2641787629. The cubic root of 3948647445 is about 1580.5786809692.

The spelling of 3948647445 in words is "three billion, nine hundred forty-eight million, six hundred forty-seven thousand, four hundred forty-five".