3986276 has 48 divisors (see below), whose sum is σ = 8601600. Its totient is φ = 1578528.

The previous prime is 3986273. The next prime is 3986287. The reversal of 3986276 is 6726893.

Its product of digits (108864) is a multiple of the sum of its prime factors (216).

It is not an unprimeable number, because it can be changed into a prime (3986273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31325 + ... + 31451.

It is an arithmetic number, because the mean of its divisors is an integer number (179200).

Almost surely, 2^3986276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3986276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4300800).

3986276 is an abundant number, since it is smaller than the sum of its proper divisors (4615324).

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

3986276 is a wasteful number, since it uses less digits than its factorization.

3986276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 214 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 3986276 is about 1996.5660520003. The cubic root of 3986276 is about 158.5583514053.

The spelling of 3986276 in words is "three million, nine hundred eighty-six thousand, two hundred seventy-six".