3931066 has 8 divisors (see below), whose sum is σ = 6100020. Its totient is φ = 1897728.

The previous prime is 3931051. The next prime is 3931087. The reversal of 3931066 is 6601393.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 46225 = 1971^2 + 215^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33831 + ... + 33946.

Almost surely, 2^3931066 is an apocalyptic number.

3931066 is a deficient number, since it is larger than the sum of its proper divisors (2168954).

3931066 is a wasteful number, since it uses less digits than its factorization.

3931066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67808.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3931066 is about 1982.6916048645. The cubic root of 3931066 is about 157.8229336173.

The spelling of 3931066 in words is "three million, nine hundred thirty-one thousand, sixty-six".