3530028 has 12 divisors (see below), whose sum is σ = 8236760. Its totient is φ = 1176672.

The previous prime is 3530027. The next prime is 3530039. The reversal of 3530028 is 8200353.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3530028² = 24922195361568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3529986 and 3530013.

It is not an unprimeable number, because it can be changed into a prime (3530027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 147073 + ... + 147096.

Almost surely, 2^3530028 is an apocalyptic number.

It is an amenable number.

3530028 is an abundant number, since it is smaller than the sum of its proper divisors (4706732).

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

3530028 is a wasteful number, since it uses less digits than its factorization.

3530028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294176 (or 294174 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3530028 is about 1878.8368742390. The cubic root of 3530028 is about 152.2624160430.

The spelling of 3530028 in words is "three million, five hundred thirty thousand, twenty-eight".