3938566 has 8 divisors (see below), whose sum is σ = 6164784. Its totient is φ = 1883640.

The previous prime is 3938549. The next prime is 3938593. The reversal of 3938566 is 6658393.

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

It is a congruent 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, 42765 + ... + 42856.

It is an arithmetic number, because the mean of its divisors is an integer number (770598).

Almost surely, 2^3938566 is an apocalyptic number.

3938566 is a deficient number, since it is larger than the sum of its proper divisors (2226218).

3938566 is a wasteful number, since it uses less digits than its factorization.

3938566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85646.

The product of its digits is 116640, while the sum is 40.

The square root of 3938566 is about 1984.5820718731. The cubic root of 3938566 is about 157.9232388976.

The spelling of 3938566 in words is "three million, nine hundred thirty-eight thousand, five hundred sixty-six".