3820844 has 6 divisors (see below), whose sum is σ = 6686484. Its totient is φ = 1910420.

The previous prime is 3820841. The next prime is 3820847. The reversal of 3820844 is 4480283.

3820844 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 (3820841) and next prime (3820847).

It is not an unprimeable number, because it can be changed into a prime (3820841) 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 as a sum of consecutive naturals, namely, 477602 + ... + 477609.

It is an arithmetic number, because the mean of its divisors is an integer number (1114414).

Almost surely, 2^3820844 is an apocalyptic number.

It is an amenable number.

3820844 is a deficient number, since it is larger than the sum of its proper divisors (2865640).

3820844 is a wasteful number, since it uses less digits than its factorization.

3820844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955215 (or 955213 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 3820844 is about 1954.6979306276. The cubic root of 3820844 is about 156.3338783775. Note that the first 3 decimals are identical.

It can be divided in two parts, 3820 and 844, that added together give a palindrome (4664).

The spelling of 3820844 in words is "three million, eight hundred twenty thousand, eight hundred forty-four".