8725844 has 6 divisors (see below), whose sum is σ = 15270234. Its totient is φ = 4362920.

The previous prime is 8725841. The next prime is 8725877. The reversal of 8725844 is 4485278.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 315844 = 2900^2 + 562^2 .

It is a super-2 number, since 2×8725844² = 152280707024672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8725798 and 8725807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090727 + ... + 1090734.

It is an arithmetic number, because the mean of its divisors is an integer number (2545039).

Almost surely, 2^8725844 is an apocalyptic number.

It is an amenable number.

8725844 is a deficient number, since it is larger than the sum of its proper divisors (6544390).

8725844 is a wasteful number, since it uses less digits than its factorization.

8725844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181465 (or 2181463 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 8725844 is about 2953.9539603724. The cubic root of 8725844 is about 205.8744639986.

The spelling of 8725844 in words is "eight million, seven hundred twenty-five thousand, eight hundred forty-four".