8740538 has 8 divisors (see below), whose sum is σ = 13142388. Its totient is φ = 4359744.

The previous prime is 8740531. The next prime is 8740541. The reversal of 8740538 is 8350478.

It can be written as a sum of positive squares in 2 ways, for example, as 8334769 + 405769 = 2887^2 + 637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8740498 and 8740507.

It is not an unprimeable number, because it can be changed into a prime (8740531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181 + ... + 5912.

Almost surely, 2^8740538 is an apocalyptic number.

8740538 is a deficient number, since it is larger than the sum of its proper divisors (4401850).

8740538 is a wasteful number, since it uses less digits than its factorization.

8740538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 8740538 is about 2956.4400890260. The cubic root of 8740538 is about 205.9899608643.

The spelling of 8740538 in words is "eight million, seven hundred forty thousand, five hundred thirty-eight".