3523809 has 4 divisors (see below), whose sum is σ = 4698416. Its totient is φ = 2349204.

The previous prime is 3523799. The next prime is 3523823. The reversal of 3523809 is 9083253.

It is a happy number.

3523809 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3523809 - 2¹⁷ = 3392737 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

3523809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3523829) 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, 587299 + ... + 587304.

It is an arithmetic number, because the mean of its divisors is an integer number (1174604).

Almost surely, 2^3523809 is an apocalyptic number.

It is an amenable number.

3523809 is a deficient number, since it is larger than the sum of its proper divisors (1174607).

3523809 is a wasteful number, since it uses less digits than its factorization.

3523809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174606.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 3523809 is about 1877.1811313776. The cubic root of 3523809 is about 152.1729477644.

The spelling of 3523809 in words is "three million, five hundred twenty-three thousand, eight hundred nine".