8529408 has 80 divisors (see below), whose sum is σ = 25288560. Its totient is φ = 2838528.

The previous prime is 8529403. The next prime is 8529413. The reversal of 8529408 is 8049258.

It is an interprime number because it is at equal distance from previous prime (8529403) and next prime (8529413).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8529403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13516 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (316107).

Almost surely, 2^8529408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8529408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12644280).

8529408 is an abundant number, since it is smaller than the sum of its proper divisors (16759152).

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

8529408 is an equidigital number, since it uses as much as digits as its factorization.

8529408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8529408 is about 2920.5150230738. The cubic root of 8529408 is about 204.3178436247.

The spelling of 8529408 in words is "eight million, five hundred twenty-nine thousand, four hundred eight".