3506212 has 18 divisors (see below), whose sum is σ = 6418118. Its totient is φ = 1675872.

The previous prime is 3506207. The next prime is 3506213. The reversal of 3506212 is 2126053.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 763876 = 1656^2 + 874^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3506212.

It is not an unprimeable number, because it can be changed into a prime (3506213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1288 + ... + 2944.

Almost surely, 2^3506212 is an apocalyptic number.

It is an amenable number.

3506212 is a deficient number, since it is larger than the sum of its proper divisors (2911906).

3506212 is a wasteful number, since it uses less digits than its factorization.

3506212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707 (or 1682 counting only the distinct ones).

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

The square root of 3506212 is about 1872.4881842084. The cubic root of 3506212 is about 151.9192206976.

The spelling of 3506212 in words is "three million, five hundred six thousand, two hundred twelve".