8203444 has 12 divisors (see below), whose sum is σ = 14706468. Its totient is φ = 4001600.

The previous prime is 8203409. The next prime is 8203451. The reversal of 8203444 is 4443028.

It can be written as a sum of positive squares in 2 ways, for example, as 2624400 + 5579044 = 1620^2 + 2362^2 .

It is a super-2 number, since 2×8203444² = 134592986922272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24847 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (1225539).

Almost surely, 2^8203444 is an apocalyptic number.

It is an amenable number.

8203444 is a deficient number, since it is larger than the sum of its proper divisors (6503024).

8203444 is a wasteful number, since it uses less digits than its factorization.

8203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50066 (or 50064 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 8203444 is about 2864.1654980116. The cubic root of 8203444 is about 201.6811949858.

The spelling of 8203444 in words is "eight million, two hundred three thousand, four hundred forty-four".