3556539 has 12 divisors (see below), whose sum is σ = 5871216. Its totient is φ = 2032272.

The previous prime is 3556523. The next prime is 3556543. The reversal of 3556539 is 9356553.

It is not a de Polignac number, because 3556539 - 2⁴ = 3556523 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3556539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3556139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28164 + ... + 28289.

It is an arithmetic number, because the mean of its divisors is an integer number (489268).

Almost surely, 2^3556539 is an apocalyptic number.

3556539 is a deficient number, since it is larger than the sum of its proper divisors (2314677).

3556539 is a wasteful number, since it uses less digits than its factorization.

3556539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56466 (or 56463 counting only the distinct ones).

The product of its digits is 60750, while the sum is 36.

The square root of 3556539 is about 1885.8788402228. The cubic root of 3556539 is about 152.6426364123.

It can be divided in two parts, 3556 and 539, that added together give a triangular number (4095 = T₉₀).

The spelling of 3556539 in words is "three million, five hundred fifty-six thousand, five hundred thirty-nine".