3976686 has 48 divisors (see below), whose sum is σ = 10125024. Its totient is φ = 1104192.

The previous prime is 3976669. The next prime is 3976703. The reversal of 3976686 is 6866793.

It is an interprime number because it is at equal distance from previous prime (3976669) and next prime (3976703).

It is a Curzon number.

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, 4236 + ... + 5088.

It is an arithmetic number, because the mean of its divisors is an integer number (210938).

Almost surely, 2^3976686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3976686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5062512).

3976686 is an abundant number, since it is smaller than the sum of its proper divisors (6148338).

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

3976686 is a wasteful number, since it uses less digits than its factorization.

3976686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 902 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3976686 is about 1994.1629823061. The cubic root of 3976686 is about 158.4310985007.

The spelling of 3976686 in words is "three million, nine hundred seventy-six thousand, six hundred eighty-six".