3986677 has 2 divisors, whose sum is σ = 3986678. Its totient is φ = 3986676.

The previous prime is 3986669. The next prime is 3986699. The reversal of 3986677 is 7766893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 148996 = 1959^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3986677 - 2³ = 3986669 is a prime.

It is a Chen prime.

3986677 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993338 + 1993339.

It is an arithmetic number, because the mean of its divisors is an integer number (1993339).

Almost surely, 2^3986677 is an apocalyptic number.

It is an amenable number.

3986677 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986677 is an equidigital number, since it uses as much as digits as its factorization.

3986677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 3986677 is about 1996.6664718976. Note that the first 3 decimals coincide. The cubic root of 3986677 is about 158.5636679604.

The spelling of 3986677 in words is "three million, nine hundred eighty-six thousand, six hundred seventy-seven".