3986142 has 8 divisors (see below), whose sum is σ = 7972296. Its totient is φ = 1328712.

The previous prime is 3986113. The next prime is 3986159. The reversal of 3986142 is 2416893.

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

3986142 is an admirable 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, 332173 + ... + 332184.

It is an arithmetic number, because the mean of its divisors is an integer number (996537).

Almost surely, 2^3986142 is an apocalyptic number.

3986142 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.

3986142 is a wasteful number, since it uses less digits than its factorization.

3986142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664362.

The product of its digits is 10368, while the sum is 33.

The square root of 3986142 is about 1996.5324941007. The cubic root of 3986142 is about 158.5565747214.

It can be divided in two parts, 39861 and 42, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 3986142 in words is "three million, nine hundred eighty-six thousand, one hundred forty-two".