3963860 has 12 divisors (see below), whose sum is σ = 8324148. Its totient is φ = 1585536.

The previous prime is 3963857. The next prime is 3963887. The reversal of 3963860 is 683693.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 3034564 = 964^2 + 1742^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3963860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99077 + ... + 99116.

It is an arithmetic number, because the mean of its divisors is an integer number (693679).

Almost surely, 2^3963860 is an apocalyptic number.

It is an amenable number.

3963860 is an abundant number, since it is smaller than the sum of its proper divisors (4360288).

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

3963860 is a wasteful number, since it uses less digits than its factorization.

3963860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198202 (or 198200 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3963860 is about 1990.9444994776. The cubic root of 3963860 is about 158.2605858482.

The spelling of 3963860 in words is "three million, nine hundred sixty-three thousand, eight hundred sixty".