3318128 has 40 divisors (see below), whose sum is σ = 7432560. Its totient is φ = 1418240.

The previous prime is 3318109. The next prime is 3318137. The reversal of 3318128 is 8218133.

It is a super-2 number, since 2×3318128² = 22019946848768, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3318097 and 3318106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438 + ... + 3546.

It is an arithmetic number, because the mean of its divisors is an integer number (185814).

Almost surely, 2^3318128 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 3318128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716280).

3318128 is an abundant number, since it is smaller than the sum of its proper divisors (4114432).

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

3318128 is a wasteful number, since it uses less digits than its factorization.

3318128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1139 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 3318128 is about 1821.5729466590. The cubic root of 3318128 is about 149.1526744606.

The spelling of 3318128 in words is "three million, three hundred eighteen thousand, one hundred twenty-eight".