3947306476 has 12 divisors (see below), whose sum is σ = 6910694560. Its totient is φ = 1972822320.

The previous prime is 3947306453. The next prime is 3947306501. The reversal of 3947306476 is 6746037493.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196980 + ... + 216091.

Almost surely, 2^3947306476 is an apocalyptic number.

It is an amenable number.

3947306476 is a deficient number, since it is larger than the sum of its proper divisors (2963388084).

3947306476 is a wasteful number, since it uses less digits than its factorization.

3947306476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415464 (or 415462 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 49.

The square root of 3947306476 is about 62827.5932691998. The cubic root of 3947306476 is about 1580.3997380934.

The spelling of 3947306476 in words is "three billion, nine hundred forty-seven million, three hundred six thousand, four hundred seventy-six".