3530409 has 16 divisors (see below), whose sum is σ = 4994880. Its totient is φ = 2211840.

The previous prime is 3530399. The next prime is 3530413. The reversal of 3530409 is 9040353.

It is not a de Polignac number, because 3530409 - 2⁴ = 3530393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3530209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13609 + ... + 13865.

It is an arithmetic number, because the mean of its divisors is an integer number (312180).

Almost surely, 2^3530409 is an apocalyptic number.

It is an amenable number.

3530409 is a deficient number, since it is larger than the sum of its proper divisors (1464471).

3530409 is a wasteful number, since it uses less digits than its factorization.

3530409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3530409 is about 1878.9382640204. The cubic root of 3530409 is about 152.2678937988.

The spelling of 3530409 in words is "three million, five hundred thirty thousand, four hundred nine".