3943960 has 32 divisors (see below), whose sum is σ = 9084240. Its totient is φ = 1540224.

The previous prime is 3943957. The next prime is 3943967. The reversal of 3943960 is 693493.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574 + ... + 2866.

Almost surely, 2^3943960 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 3943960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4542120).

3943960 is an abundant number, since it is smaller than the sum of its proper divisors (5140280).

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

3943960 is a wasteful number, since it uses less digits than its factorization.

3943960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3943960 is about 1985.9405831998. The cubic root of 3943960 is about 157.9952997587.

The spelling of 3943960 in words is "three million, nine hundred forty-three thousand, nine hundred sixty".