3530128 has 40 divisors (see below), whose sum is σ = 8009408. Its totient is φ = 1475712.

The previous prime is 3530113. The next prime is 3530159. The reversal of 3530128 is 8210353.

It is a junction number, because it is equal to n+sod(n) for n = 3530099 and 3530108.

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, 4450 + ... + 5182.

Almost surely, 2^3530128 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 3530128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4004704).

3530128 is an abundant number, since it is smaller than the sum of its proper divisors (4479280).

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

3530128 is a wasteful number, since it uses less digits than its factorization.

3530128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3530128 is about 1878.8634862597. The cubic root of 3530128 is about 152.2638538124.

The spelling of 3530128 in words is "three million, five hundred thirty thousand, one hundred twenty-eight".