3118428 has 54 divisors (see below), whose sum is σ = 8243144. Its totient is φ = 993888.

The previous prime is 3118417. The next prime is 3118433. The reversal of 3118428 is 8248113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30225 + ... + 30327.

Almost surely, 2^3118428 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 3118428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4121572).

3118428 is an abundant number, since it is smaller than the sum of its proper divisors (5124716).

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

3118428 is a wasteful number, since it uses less digits than its factorization.

3118428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 137 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3118428 is about 1765.9071323260. The cubic root of 3118428 is about 146.0983262095.

The spelling of 3118428 in words is "three million, one hundred eighteen thousand, four hundred twenty-eight".