3947716 has 6 divisors (see below), whose sum is σ = 6908510. Its totient is φ = 1973856.

The previous prime is 3947693. The next prime is 3947747. The reversal of 3947716 is 6177493.

3947716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3818116 + 129600 = 1954^2 + 360^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493461 + ... + 493468.

Almost surely, 2^3947716 is an apocalyptic number.

It is an amenable number.

3947716 is a deficient number, since it is larger than the sum of its proper divisors (2960794).

3947716 is a wasteful number, since it uses less digits than its factorization.

3947716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986933 (or 986931 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 3947716 is about 1986.8860057890. The cubic root of 3947716 is about 158.0454390487.

It can be divided in two parts, 39477 and 16, that added together give a palindrome (39493).

The spelling of 3947716 in words is "three million, nine hundred forty-seven thousand, seven hundred sixteen".