3958986 has 8 divisors (see below), whose sum is σ = 7917984. Its totient is φ = 1319660.

The previous prime is 3958957. The next prime is 3959003. The reversal of 3958986 is 6898593.

3958986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3958986 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329910 + ... + 329921.

It is an arithmetic number, because the mean of its divisors is an integer number (989748).

Almost surely, 2^3958986 is an apocalyptic number.

3958986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3958986 is a wasteful number, since it uses less digits than its factorization.

3958986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659836.

The product of its digits is 466560, while the sum is 48.

The square root of 3958986 is about 1989.7200808154. The cubic root of 3958986 is about 158.1956930022.

The spelling of 3958986 in words is "three million, nine hundred fifty-eight thousand, nine hundred eighty-six".