8676521 has 16 divisors (see below), whose sum is σ = 10569600. Its totient is φ = 6956928.

The previous prime is 8676517. The next prime is 8676527. The reversal of 8676521 is 1256768.

It is a cyclic number.

It is not a de Polignac number, because 8676521 - 2² = 8676517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8676527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11471 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (660600).

Almost surely, 2^8676521 is an apocalyptic number.

It is an amenable number.

8676521 is a deficient number, since it is larger than the sum of its proper divisors (1893079).

8676521 is a wasteful number, since it uses less digits than its factorization.

8676521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 20160, while the sum is 35.

The square root of 8676521 is about 2945.5934885860. The cubic root of 8676521 is about 205.4858277039.

The spelling of 8676521 in words is "eight million, six hundred seventy-six thousand, five hundred twenty-one".