3502216 has 16 divisors (see below), whose sum is σ = 6592140. Its totient is φ = 1744320.

The previous prime is 3502207. The next prime is 3502231. The reversal of 3502216 is 6122053.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 298116 = 1790^2 + 546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3502193 and 3502202.

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, 1846 + ... + 3226.

Almost surely, 2^3502216 is an apocalyptic number.

It is an amenable number.

3502216 is a deficient number, since it is larger than the sum of its proper divisors (3089924).

3502216 is a wasteful number, since it uses less digits than its factorization.

3502216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3502216 is about 1871.4208505839. The cubic root of 3502216 is about 151.8614850771.

Adding to 3502216 its reverse (6122053), we get a palindrome (9624269).

The spelling of 3502216 in words is "three million, five hundred two thousand, two hundred sixteen".