3956660 has 24 divisors (see below), whose sum is σ = 8362536. Its totient is φ = 1572480.

The previous prime is 3956651. The next prime is 3956663. The reversal of 3956660 is 666593.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 3579664 = 614^2 + 1892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3956660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956663) 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, 3074 + ... + 4166.

It is an arithmetic number, because the mean of its divisors is an integer number (348439).

Almost surely, 2^3956660 is an apocalyptic number.

It is an amenable number.

3956660 is an abundant number, since it is smaller than the sum of its proper divisors (4405876).

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

3956660 is a wasteful number, since it uses less digits than its factorization.

3956660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 3956660 is about 1989.1354906089. The cubic root of 3956660 is about 158.1647056679.

The spelling of 3956660 in words is "three million, nine hundred fifty-six thousand, six hundred sixty".