3947066 has 8 divisors (see below), whose sum is σ = 6017844. Its totient is φ = 1941120.

The previous prime is 3947059. The next prime is 3947071. The reversal of 3947066 is 6607493.

It can be written as a sum of positive squares in 2 ways, for example, as 3916441 + 30625 = 1979^2 + 175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16055 + ... + 16298.

Almost surely, 2^3947066 is an apocalyptic number.

3947066 is a deficient number, since it is larger than the sum of its proper divisors (2070778).

3947066 is a wasteful number, since it uses less digits than its factorization.

3947066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32416.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 3947066 is about 1986.7224265106. The cubic root of 3947066 is about 158.0367643978.

The spelling of 3947066 in words is "three million, nine hundred forty-seven thousand, sixty-six".