3986613 has 12 divisors (see below), whose sum is σ = 6009120. Its totient is φ = 2542056.

The previous prime is 3986611. The next prime is 3986617. The reversal of 3986613 is 3166893.

It is a happy number.

3986613 is a `hidden beast` number, since 39 + 8 + 6 + 613 = 666.

It is not a de Polignac number, because 3986613 - 2¹ = 3986611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986611) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9423 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (500760).

Almost surely, 2^3986613 is an apocalyptic number.

It is an amenable number.

3986613 is a deficient number, since it is larger than the sum of its proper divisors (2022507).

3986613 is a wasteful number, since it uses less digits than its factorization.

3986613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288 (or 19285 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3986613 is about 1996.6504451205. The cubic root of 3986613 is about 158.5628194568.

The spelling of 3986613 in words is "three million, nine hundred eighty-six thousand, six hundred thirteen".