3963660 has 48 divisors (see below), whose sum is σ = 11461632. Its totient is φ = 1022400.

The previous prime is 3963649. The next prime is 3963683. The reversal of 3963660 is 663693.

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, 795 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (238784).

Almost surely, 2^3963660 is an apocalyptic number.

3963660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3963660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5730816).

3963660 is an abundant number, since it is smaller than the sum of its proper divisors (7497972).

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

3963660 is a wasteful number, since it uses less digits than its factorization.

3963660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 3963660 is about 1990.8942714268. The cubic root of 3963660 is about 158.2579240783.

Adding to 3963660 its sum of digits (33), we get a palindrome (3963693).

The spelling of 3963660 in words is "three million, nine hundred sixty-three thousand, six hundred sixty".