3528445 has 4 divisors (see below), whose sum is σ = 4234140. Its totient is φ = 2822752.

The previous prime is 3528409. The next prime is 3528463. The reversal of 3528445 is 5448253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 1038361 = 1578^2 + 1019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3528445 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 5 + 2¹⁹ + 8 + 4⁴ + 4¹⁰ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352840 + ... + 352849.

It is an arithmetic number, because the mean of its divisors is an integer number (1058535).

Almost surely, 2^3528445 is an apocalyptic number.

It is an amenable number.

3528445 is a deficient number, since it is larger than the sum of its proper divisors (705695).

3528445 is an equidigital number, since it uses as much as digits as its factorization.

3528445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705694.

The product of its digits is 19200, while the sum is 31.

The square root of 3528445 is about 1878.4155557278. The cubic root of 3528445 is about 152.2396525368.

The spelling of 3528445 in words is "three million, five hundred twenty-eight thousand, four hundred forty-five".