3947276 has 6 divisors (see below), whose sum is σ = 6907740. Its totient is φ = 1973636.

The previous prime is 3947233. The next prime is 3947297. The reversal of 3947276 is 6727493.

3947276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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, 493406 + ... + 493413.

It is an arithmetic number, because the mean of its divisors is an integer number (1151290).

Almost surely, 2^3947276 is an apocalyptic number.

It is an amenable number.

3947276 is a deficient number, since it is larger than the sum of its proper divisors (2960464).

3947276 is a wasteful number, since it uses less digits than its factorization.

3947276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986823 (or 986821 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 3947276 is about 1986.7752766732. The cubic root of 3947276 is about 158.0395670815.

The spelling of 3947276 in words is "three million, nine hundred forty-seven thousand, two hundred seventy-six".