3556944 has 60 divisors (see below), whose sum is σ = 10547316. Its totient is φ = 1115136.

The previous prime is 3556939. The next prime is 3556951. The reversal of 3556944 is 4496553.

It is a happy number.

3556944 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 360000 = 1788^2 + 600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3556899 and 3556908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1722 + ... + 3174.

Almost surely, 2^3556944 is an apocalyptic number.

3556944 is a gapful number since it is divisible by the number (34) 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 3556944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5273658).

3556944 is an abundant number, since it is smaller than the sum of its proper divisors (6990372).

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

3556944 is a wasteful number, since it uses less digits than its factorization.

3556944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1475 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3556944 is about 1885.9862141596. The cubic root of 3556944 is about 152.6484302399.

The spelling of 3556944 in words is "three million, five hundred fifty-six thousand, nine hundred forty-four".