3820236 has 72 divisors (see below), whose sum is σ = 10629360. Its totient is φ = 1064448.

The previous prime is 3820181. The next prime is 3820237. The reversal of 3820236 is 6320283.

3820236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3820237) 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 23 ways as a sum of consecutive naturals, for example, 42880 + ... + 42968.

It is an arithmetic number, because the mean of its divisors is an integer number (147630).

Almost surely, 2^3820236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3820236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5314680).

3820236 is an abundant number, since it is smaller than the sum of its proper divisors (6809124).

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

3820236 is a wasteful number, since it uses less digits than its factorization.

3820236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3820236 is about 1954.5424016889. The cubic root of 3820236 is about 156.3255856164.

The spelling of 3820236 in words is "three million, eight hundred twenty thousand, two hundred thirty-six".