8508738 has 48 divisors (see below), whose sum is σ = 20689344. Its totient is φ = 2284800.

The previous prime is 8508737. The next prime is 8508749. The reversal of 8508738 is 8378058.

It is a junction number, because it is equal to n+sod(n) for n = 8508696 and 8508705.

It is not an unprimeable number, because it can be changed into a prime (8508733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11788 + ... + 12488.

It is an arithmetic number, because the mean of its divisors is an integer number (431028).

Almost surely, 2^8508738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8508738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10344672).

8508738 is an abundant number, since it is smaller than the sum of its proper divisors (12180606).

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

8508738 is a wasteful number, since it uses less digits than its factorization.

8508738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 8508738 is about 2916.9741171289. The cubic root of 8508738 is about 204.1526635035.

The spelling of 8508738 in words is "eight million, five hundred eight thousand, seven hundred thirty-eight".