8487738 has 96 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 2246400.

The previous prime is 8487719. The next prime is 8487751. The reversal of 8487738 is 8377848.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8487693 and 8487702.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160120 + ... + 160172.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

Almost surely, 2^8487738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8487738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856).

8487738 is an abundant number, since it is smaller than the sum of its proper divisors (14155974).

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

8487738 is a wasteful number, since it uses less digits than its factorization.

8487738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 137 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 8487738 is about 2913.3722728138. The cubic root of 8487738 is about 203.9845720743.

The spelling of 8487738 in words is "eight million, four hundred eighty-seven thousand, seven hundred thirty-eight".