3986012 has 12 divisors (see below), whose sum is σ = 6993000.
Its totient is φ = 1988016.
The previous prime is 3986009. The next prime is 3986033. The reversal of 3986012 is 2106893.
It is a super-3 number, since 3×39860123 (a number of 21 digits) contains 333 as substring.
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, 998 + ... + 2994.
It is an arithmetic number, because the mean of its divisors is an integer number (582750).
Almost surely, 23986012 is an apocalyptic number.
It is a pronic number, being equal to 1996×1997.
It is an amenable number.
3986012 is a deficient number, since it is larger than the sum of its proper divisors (3006988).
3986012 is a wasteful number, since it uses less digits than its factorization.
3986012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500 (or 2498 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 3986012 is about 1996.4999373904.
The cubic root of 3986012 is about 158.5548510348.
The spelling of 3986012 in words is "three million, nine hundred eighty-six thousand, twelve".