3829909 has 4 divisors (see below), whose sum is σ = 3863916. Its totient is φ = 3795904.

The previous prime is 3829901. The next prime is 3829919. The reversal of 3829909 is 9099283.

It is a happy number.

3829909 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: 9099283 = 23 ⋅395621.

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 2630884 = 1095^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 3829909 - 2³ = 3829901 is a prime.

It is a Duffinian number.

3829909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3829901) 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, 16834 + ... + 17059.

It is an arithmetic number, because the mean of its divisors is an integer number (965979).

Almost surely, 2^3829909 is an apocalyptic number.

It is an amenable number.

3829909 is a deficient number, since it is larger than the sum of its proper divisors (34007).

3829909 is a wasteful number, since it uses less digits than its factorization.

3829909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34006.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3829909 is about 1957.0153295261. The cubic root of 3829909 is about 156.4574154228.

The spelling of 3829909 in words is "three million, eight hundred twenty-nine thousand, nine hundred nine".