3331812 has 48 divisors (see below), whose sum is σ = 8692992. Its totient is φ = 984480.

The previous prime is 3331799. The next prime is 3331829. The reversal of 3331812 is 2181333.

It is a happy number.

It is a super-2 number, since 2×3331812² = 22201942406688, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5383 + ... + 5969.

It is an arithmetic number, because the mean of its divisors is an integer number (181104).

Almost surely, 2^3331812 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 3331812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4346496).

3331812 is an abundant number, since it is smaller than the sum of its proper divisors (5361180).

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

3331812 is a wasteful number, since it uses less digits than its factorization.

3331812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 3331812 is about 1825.3251765097. The cubic root of 3331812 is about 149.3574290590.

It can be divided in two parts, 333 and 1812, that added together give a triangular number (2145 = T₆₅).

The spelling of 3331812 in words is "three million, three hundred thirty-one thousand, eight hundred twelve".