3829509 has 6 divisors (see below), whose sum is σ = 5531526. Its totient is φ = 2553000.

The previous prime is 3829499. The next prime is 3829531. The reversal of 3829509 is 9059283.

It can be written as a sum of positive squares in only one way, i.e., 2873025 + 956484 = 1695^2 + 978^2 .

It is not a de Polignac number, because 3829509 - 2⁴ = 3829493 is a prime.

It is a Curzon number.

3829509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3829559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212742 + ... + 212759.

It is an arithmetic number, because the mean of its divisors is an integer number (921921).

Almost surely, 2^3829509 is an apocalyptic number.

It is an amenable number.

3829509 is a deficient number, since it is larger than the sum of its proper divisors (1702017).

3829509 is a wasteful number, since it uses less digits than its factorization.

3829509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425507 (or 425504 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3829509 is about 1956.9131304174. The cubic root of 3829509 is about 156.4519683704.

The spelling of 3829509 in words is "three million, eight hundred twenty-nine thousand, five hundred nine".