4338820 has 24 divisors (see below), whose sum is σ = 9151128. Its totient is φ = 1728000.

The previous prime is 4338811. The next prime is 4338823. The reversal of 4338820 is 288334.

It can be written as a sum of positive squares in 4 ways, for example, as 1435204 + 2903616 = 1198^2 + 1704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7750 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (381297).

Almost surely, 2^4338820 is an apocalyptic number.

It is an amenable number.

4338820 is an abundant number, since it is smaller than the sum of its proper divisors (4812308).

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

4338820 is a wasteful number, since it uses less digits than its factorization.

4338820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4338820 is about 2082.9834372841. The cubic root of 4338820 is about 163.1012205811.

The spelling of 4338820 in words is "four million, three hundred thirty-eight thousand, eight hundred twenty".