3556045 has 4 divisors (see below), whose sum is σ = 4267260. Its totient is φ = 2844832.

The previous prime is 3556031. The next prime is 3556061. The reversal of 3556045 is 5406553.

3556045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 1473796 = 1443^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3556045 - 2¹¹ = 3553997 is a prime.

3556045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 355600 + ... + 355609.

It is an arithmetic number, because the mean of its divisors is an integer number (1066815).

Almost surely, 2^3556045 is an apocalyptic number.

It is an amenable number.

3556045 is a deficient number, since it is larger than the sum of its proper divisors (711215).

3556045 is an equidigital number, since it uses as much as digits as its factorization.

3556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711214.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3556045 is about 1885.7478622552. The cubic root of 3556045 is about 152.6355687778.

It can be divided in two parts, 355 and 6045, that added together give a square (6400 = 80²).

The spelling of 3556045 in words is "three million, five hundred fifty-six thousand, forty-five".