3556109 has 8 divisors (see below), whose sum is σ = 3631608. Its totient is φ = 3481600.

The previous prime is 3556093. The next prime is 3556121. The reversal of 3556109 is 9016553.

It can be written as a sum of positive squares in 4 ways, for example, as 2706025 + 850084 = 1645^2 + 922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3556109 - 2⁴ = 3556093 is a prime.

It is a super-2 number, since 2×3556109² = 25291822439762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13709 + ... + 13965.

It is an arithmetic number, because the mean of its divisors is an integer number (453951).

Almost surely, 2^3556109 is an apocalyptic number.

It is an amenable number.

3556109 is a deficient number, since it is larger than the sum of its proper divisors (75499).

3556109 is a wasteful number, since it uses less digits than its factorization.

3556109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 3556109 is about 1885.7648315737. The cubic root of 3556109 is about 152.6364844596.

The spelling of 3556109 in words is "three million, five hundred fifty-six thousand, one hundred nine".