3530643 has 4 divisors (see below), whose sum is σ = 4707528. Its totient is φ = 2353760.

The previous prime is 3530629. The next prime is 3530647. The reversal of 3530643 is 3460353.

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

It is a cyclic number.

It is not a de Polignac number, because 3530643 - 2¹⁶ = 3465107 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3530647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588438 + ... + 588443.

It is an arithmetic number, because the mean of its divisors is an integer number (1176882).

Almost surely, 2^3530643 is an apocalyptic number.

3530643 is a deficient number, since it is larger than the sum of its proper divisors (1176885).

3530643 is a wasteful number, since it uses less digits than its factorization.

3530643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176884.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 3530643 is about 1879.0005321979. Note that the first 3 decimals coincide. The cubic root of 3530643 is about 152.2712578944.

Adding to 3530643 its reverse (3460353), we get a palindrome (6990996).

The spelling of 3530643 in words is "three million, five hundred thirty thousand, six hundred forty-three".