3813829 has 4 divisors (see below), whose sum is σ = 3825484. Its totient is φ = 3802176.

The previous prime is 3813811. The next prime is 3813847. The reversal of 3813829 is 9283183.

3813829 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.

It is an interprime number because it is at equal distance from previous prime (3813811) and next prime (3813847).

It can be written as a sum of positive squares in 2 ways, for example, as 2608225 + 1205604 = 1615^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 3813829 - 2⁹ = 3813317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3813794 and 3813803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813869) 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, 5322 + ... + 5995.

It is an arithmetic number, because the mean of its divisors is an integer number (956371).

Almost surely, 2^3813829 is an apocalyptic number.

It is an amenable number.

3813829 is a deficient number, since it is larger than the sum of its proper divisors (11655).

3813829 is a wasteful number, since it uses less digits than its factorization.

3813829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654.

The product of its digits is 10368, while the sum is 34.

The square root of 3813829 is about 1952.9027113505. The cubic root of 3813829 is about 156.2381443805.

The spelling of 3813829 in words is "three million, eight hundred thirteen thousand, eight hundred twenty-nine".