3513809 has 8 divisors (see below), whose sum is σ = 3827880. Its totient is φ = 3206016.

The previous prime is 3513799. The next prime is 3513821. The reversal of 3513809 is 9083153.

It can be written as a sum of positive squares in 4 ways, for example, as 172225 + 3341584 = 415^2 + 1828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3513809 - 2¹⁶ = 3448273 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513859) 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 7 ways as a sum of consecutive naturals, for example, 362 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (478485).

Almost surely, 2^3513809 is an apocalyptic number.

It is an amenable number.

3513809 is a deficient number, since it is larger than the sum of its proper divisors (314071).

3513809 is a wasteful number, since it uses less digits than its factorization.

3513809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3513809 is about 1874.5156707801. The cubic root of 3513809 is about 152.0288639784.

The spelling of 3513809 in words is "three million, five hundred thirteen thousand, eight hundred nine".