3783986 has 8 divisors (see below), whose sum is σ = 5707884. Its totient is φ = 1881360.

The previous prime is 3783977. The next prime is 3783991. The reversal of 3783986 is 6893873.

It can be written as a sum of positive squares in 2 ways, for example, as 3783025 + 961 = 1945^2 + 31^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4865 + ... + 5588.

Almost surely, 2^3783986 is an apocalyptic number.

3783986 is a deficient number, since it is larger than the sum of its proper divisors (1923898).

3783986 is a wasteful number, since it uses less digits than its factorization.

3783986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636.

The product of its digits is 217728, while the sum is 44.

The square root of 3783986 is about 1945.2470280147. The cubic root of 3783986 is about 155.8295585335.

The spelling of 3783986 in words is "three million, seven hundred eighty-three thousand, nine hundred eighty-six".