3524809 has 4 divisors (see below), whose sum is σ = 3556116. Its totient is φ = 3493504.

The previous prime is 3524789. The next prime is 3524821. The reversal of 3524809 is 9084253.

3524809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9084253 = 53 ⋅171401.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 2839225 = 828^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 3524809 - 2⁵ = 3524777 is a prime.

It is a Duffinian number.

3524809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3524309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15484 + ... + 15709.

It is an arithmetic number, because the mean of its divisors is an integer number (889029).

Almost surely, 2^3524809 is an apocalyptic number.

It is an amenable number.

3524809 is a deficient number, since it is larger than the sum of its proper divisors (31307).

3524809 is a wasteful number, since it uses less digits than its factorization.

3524809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31306.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3524809 is about 1877.4474693051. The cubic root of 3524809 is about 152.1873411434.

The spelling of 3524809 in words is "three million, five hundred twenty-four thousand, eight hundred nine".