3948647446 has 16 divisors (see below), whose sum is σ = 6037578000. Its totient is φ = 1936156768.

The previous prime is 3948647411. The next prime is 3948647467. The reversal of 3948647446 is 6447468493.

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 7 ways as a sum of consecutive naturals, for example, 253080 + ... + 268228.

It is an arithmetic number, because the mean of its divisors is an integer number (377348625).

Almost surely, 2^3948647446 is an apocalyptic number.

3948647446 is a deficient number, since it is larger than the sum of its proper divisors (2088930554).

3948647446 is a wasteful number, since it uses less digits than its factorization.

3948647446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its digits is 13934592, while the sum is 55.

The square root of 3948647446 is about 62838.2641867199. The cubic root of 3948647446 is about 1580.5786811026.

The spelling of 3948647446 in words is "three billion, nine hundred forty-eight million, six hundred forty-seven thousand, four hundred forty-six".