3829820 has 12 divisors (see below), whose sum is σ = 8042664. Its totient is φ = 1531920.

The previous prime is 3829817. The next prime is 3829823. The reversal of 3829820 is 289283.

It is a happy number.

3829820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3829817) and next prime (3829823).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3829823) 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, 95726 + ... + 95765.

It is an arithmetic number, because the mean of its divisors is an integer number (670222).

Almost surely, 2^3829820 is an apocalyptic number.

It is an amenable number.

3829820 is an abundant number, since it is smaller than the sum of its proper divisors (4212844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3829820 is a wasteful number, since it uses less digits than its factorization.

3829820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191500 (or 191498 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3829820 is about 1956.9925906860. The cubic root of 3829820 is about 156.4562034864.

The spelling of 3829820 in words is "three million, eight hundred twenty-nine thousand, eight hundred twenty".