3530216 has 16 divisors (see below), whose sum is σ = 6669540. Its totient is φ = 1751680.

The previous prime is 3530209. The next prime is 3530221. The reversal of 3530216 is 6120353.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 122500 = 1846^2 + 350^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 2706.

Almost surely, 2^3530216 is an apocalyptic number.

It is an amenable number.

3530216 is a deficient number, since it is larger than the sum of its proper divisors (3139324).

3530216 is a wasteful number, since it uses less digits than its factorization.

3530216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3530216 is about 1878.8869045262. The cubic root of 3530216 is about 152.2651190269.

Adding to 3530216 its reverse (6120353), we get a palindrome (9650569).

The spelling of 3530216 in words is "three million, five hundred thirty thousand, two hundred sixteen".