3556956 has 36 divisors (see below), whose sum is σ = 8997576. Its totient is φ = 1087200.

The previous prime is 3556951. The next prime is 3556967. The reversal of 3556956 is 6596553.

3556956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23481 + ... + 23631.

Almost surely, 2^3556956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3556956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4498788).

3556956 is an abundant number, since it is smaller than the sum of its proper divisors (5440620).

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

3556956 is a wasteful number, since it uses less digits than its factorization.

3556956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 169 counting only the distinct ones).

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

The square root of 3556956 is about 1885.9893955163. The cubic root of 3556956 is about 152.6486019022.

Multiplying 3556956 by its sum of digits (39), we get a square (138721284 = 11778²).

3556956 divided by its sum of digits (39) gives a square (91204 = 302²).

The spelling of 3556956 in words is "three million, five hundred fifty-six thousand, nine hundred fifty-six".