3980860 has 48 divisors (see below), whose sum is σ = 9186912. Its totient is φ = 1440000.

The previous prime is 3980857. The next prime is 3980887. The reversal of 3980860 is 680893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15735 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (191394).

Almost surely, 2^3980860 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 3980860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4593456).

3980860 is an abundant number, since it is smaller than the sum of its proper divisors (5206052).

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

3980860 is a wasteful number, since it uses less digits than its factorization.

3980860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 3980860 is about 1995.2092622079. The cubic root of 3980860 is about 158.4865098133.

The spelling of 3980860 in words is "three million, nine hundred eighty thousand, eight hundred sixty".