3528140 has 96 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1048320.

The previous prime is 3528137. The next prime is 3528143. The reversal of 3528140 is 418253.

It is an interprime number because it is at equal distance from previous prime (3528137) and next prime (3528143).

It is not an unprimeable number, because it can be changed into a prime (3528143) 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 31 ways as a sum of consecutive naturals, for example, 44621 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

Almost surely, 2^3528140 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 3528140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

3528140 is an abundant number, since it is smaller than the sum of its proper divisors (6148660).

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

3528140 is a wasteful number, since it uses less digits than its factorization.

3528140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3528140 is about 1878.3343685297. The cubic root of 3528140 is about 152.2352658611.

The spelling of 3528140 in words is "three million, five hundred twenty-eight thousand, one hundred forty".