3561956 has 12 divisors (see below), whose sum is σ = 6257580. Its totient is φ = 1774080.

The previous prime is 3561947. The next prime is 3561977. The reversal of 3561956 is 6591653.

It can be written as a sum of positive squares in 2 ways, for example, as 2689600 + 872356 = 1640^2 + 934^2 .

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, 461 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (521465).

Almost surely, 2^3561956 is an apocalyptic number.

It is an amenable number.

3561956 is a deficient number, since it is larger than the sum of its proper divisors (2695624).

3561956 is a wasteful number, since it uses less digits than its factorization.

3561956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The square root of 3561956 is about 1887.3144941954. The cubic root of 3561956 is about 152.7200942737.

The spelling of 3561956 in words is "three million, five hundred sixty-one thousand, nine hundred fifty-six".