3318312 has 48 divisors (see below), whose sum is σ = 8778240. Its totient is φ = 1045152.

The previous prime is 3318307. The next prime is 3318319. The reversal of 3318312 is 2138133.

It is a happy number.

It is a super-2 number, since 2×3318312² = 22022389058688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8473 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (182880).

Almost surely, 2^3318312 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 3318312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389120).

3318312 is an abundant number, since it is smaller than the sum of its proper divisors (5459928).

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

3318312 is a wasteful number, since it uses less digits than its factorization.

3318312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 407 counting only the distinct ones).

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

The square root of 3318312 is about 1821.6234517594. The cubic root of 3318312 is about 149.1554313951.

The spelling of 3318312 in words is "three million, three hundred eighteen thousand, three hundred twelve".