3820873 has 6 divisors (see below), whose sum is σ = 4444746. Its totient is φ = 3274992.

The previous prime is 3820871. The next prime is 3820889. The reversal of 3820873 is 3780283.

3820873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3415104 + 405769 = 1848^2 + 637^2 .

It is not a de Polignac number, because 3820873 - 2¹ = 3820871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3820871) 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 5 ways as a sum of consecutive naturals, for example, 38940 + ... + 39037.

It is an arithmetic number, because the mean of its divisors is an integer number (740791).

Almost surely, 2^3820873 is an apocalyptic number.

It is an amenable number.

3820873 is a deficient number, since it is larger than the sum of its proper divisors (623873).

3820873 is an equidigital number, since it uses as much as digits as its factorization.

3820873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77991 (or 77984 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3820873 is about 1954.7053486395. The cubic root of 3820873 is about 156.3342738985.

The spelling of 3820873 in words is "three million, eight hundred twenty thousand, eight hundred seventy-three".