3986318 has 8 divisors (see below), whose sum is σ = 6833712. Its totient is φ = 1708416.

The previous prime is 3986309. The next prime is 3986329. The reversal of 3986318 is 8136893.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142355 + ... + 142382.

It is an arithmetic number, because the mean of its divisors is an integer number (854214).

Almost surely, 2^3986318 is an apocalyptic number.

3986318 is a deficient number, since it is larger than the sum of its proper divisors (2847394).

3986318 is a wasteful number, since it uses less digits than its factorization.

3986318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284746.

The product of its digits is 31104, while the sum is 38.

The square root of 3986318 is about 1996.5765700318. The cubic root of 3986318 is about 158.5589082682.

The spelling of 3986318 in words is "three million, nine hundred eighty-six thousand, three hundred eighteen".