3955656 has 32 divisors (see below), whose sum is σ = 10121760. Its totient is φ = 1287552.

The previous prime is 3955649. The next prime is 3955657. The reversal of 3955656 is 6565593.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3955657) 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, 885 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (316305).

Almost surely, 2^3955656 is an apocalyptic number.

It is an amenable number.

3955656 is an abundant number, since it is smaller than the sum of its proper divisors (6166104).

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

3955656 is a wasteful number, since it uses less digits than its factorization.

3955656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885 (or 3881 counting only the distinct ones).

The product of its digits is 121500, while the sum is 39.

The square root of 3955656 is about 1988.8831036539. The cubic root of 3955656 is about 158.1513264711.

The spelling of 3955656 in words is "three million, nine hundred fifty-five thousand, six hundred fifty-six".