8670538 has 4 divisors (see below), whose sum is σ = 13005810. Its totient is φ = 4335268.

The previous prime is 8670533. The next prime is 8670551. The reversal of 8670538 is 8350768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 2455489 = 2493^2 + 1567^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8670497 and 8670506.

It is not an unprimeable number, because it can be changed into a prime (8670533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2167633 + ... + 2167636.

Almost surely, 2^8670538 is an apocalyptic number.

8670538 is a deficient number, since it is larger than the sum of its proper divisors (4335272).

8670538 is a wasteful number, since it uses less digits than its factorization.

8670538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335271.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8670538 is about 2944.5777286395. The cubic root of 8670538 is about 205.4385850974.

The spelling of 8670538 in words is "eight million, six hundred seventy thousand, five hundred thirty-eight".