3533540 has 12 divisors (see below), whose sum is σ = 7420476. Its totient is φ = 1413408.

The previous prime is 3533539. The next prime is 3533549. The reversal of 3533540 is 453353.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 1705636 = 1352^2 + 1306^2 .

It is a super-3 number, since 3×3533540³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3533549) 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, 88319 + ... + 88358.

It is an arithmetic number, because the mean of its divisors is an integer number (618373).

Almost surely, 2^3533540 is an apocalyptic number.

It is an amenable number.

3533540 is an abundant number, since it is smaller than the sum of its proper divisors (3886936).

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

3533540 is a wasteful number, since it uses less digits than its factorization.

3533540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176686 (or 176684 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 3533540 is about 1879.7712626806. The cubic root of 3533540 is about 152.3128942418.

Adding to 3533540 its reverse (453353), we get a palindrome (3986893).

The spelling of 3533540 in words is "three million, five hundred thirty-three thousand, five hundred forty".