3986910 has 48 divisors (see below), whose sum is σ = 10707840. Its totient is φ = 1028160.

The previous prime is 3986897. The next prime is 3986921. The reversal of 3986910 is 196893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2076 + ... + 3504.

It is an arithmetic number, because the mean of its divisors is an integer number (223080).

Almost surely, 2^3986910 is an apocalyptic number.

3986910 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3986910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5353920).

3986910 is an abundant number, since it is smaller than the sum of its proper divisors (6720930).

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

3986910 is a wasteful number, since it uses less digits than its factorization.

3986910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3986910 is about 1996.7248182962. The cubic root of 3986910 is about 158.5667569670.

The spelling of 3986910 in words is "three million, nine hundred eighty-six thousand, nine hundred ten".