3986558 has 8 divisors (see below), whose sum is σ = 6001128. Its totient is φ = 1986184.

The previous prime is 3986539. The next prime is 3986581. The reversal of 3986558 is 8556893.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2816 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (750141).

Almost surely, 2^3986558 is an apocalyptic number.

3986558 is a deficient number, since it is larger than the sum of its proper divisors (2014570).

3986558 is a wasteful number, since it uses less digits than its factorization.

3986558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 259200, while the sum is 44.

The square root of 3986558 is about 1996.6366720062. The cubic root of 3986558 is about 158.5620902668.

The spelling of 3986558 in words is "three million, nine hundred eighty-six thousand, five hundred fifty-eight".