8529444 has 144 divisors (see below), whose sum is σ = 28619136. Its totient is φ = 2073600.

The previous prime is 8529439. The next prime is 8529473. The reversal of 8529444 is 4449258.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8529399 and 8529408.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 47034 + ... + 47214.

It is an arithmetic number, because the mean of its divisors is an integer number (198744).

Almost surely, 2^8529444 is an apocalyptic number.

8529444 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8529444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14309568).

8529444 is an abundant number, since it is smaller than the sum of its proper divisors (20089692).

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

8529444 is a wasteful number, since it uses less digits than its factorization.

8529444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 221 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 8529444 is about 2920.5211863638. The cubic root of 8529444 is about 204.3181310785.

It can be divided in two parts, 852 and 9444, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 8529444 in words is "eight million, five hundred twenty-nine thousand, four hundred forty-four".