3530556 has 36 divisors (see below), whose sum is σ = 9022104. Its totient is φ = 1164000.

The previous prime is 3530539. The next prime is 3530563. The reversal of 3530556 is 6550353.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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, 3151 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (250614).

Almost surely, 2^3530556 is an apocalyptic number.

3530556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3530556 is an abundant number, since it is smaller than the sum of its proper divisors (5491548).

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

3530556 is a wasteful number, since it uses less digits than its factorization.

3530556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 3530556 is about 1878.9773814498. The cubic root of 3530556 is about 152.2700071583.

The spelling of 3530556 in words is "three million, five hundred thirty thousand, five hundred fifty-six".