3523212 has 144 divisors (see below), whose sum is σ = 11741184. Its totient is φ = 864000.

The previous prime is 3523187. The next prime is 3523231. The reversal of 3523212 is 2123253.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85912 + ... + 85952.

It is an arithmetic number, because the mean of its divisors is an integer number (81536).

Almost surely, 2^3523212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3523212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5870592).

3523212 is an abundant number, since it is smaller than the sum of its proper divisors (8217972).

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

3523212 is a wasteful number, since it uses less digits than its factorization.

3523212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 95 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 3523212 is about 1877.0221096194. The cubic root of 3523212 is about 152.1643536190.

Adding to 3523212 its reverse (2123253), we get a palindrome (5646465).

The spelling of 3523212 in words is "three million, five hundred twenty-three thousand, two hundred twelve".