8679021 has 16 divisors (see below), whose sum is σ = 12559680. Its totient is φ = 5299200.

The previous prime is 8678963. The next prime is 8679037. The reversal of 8679021 is 1209768.

8679021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8679021 - 2⁷ = 8678893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8679071) 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, 4621 + ... + 6221.

It is an arithmetic number, because the mean of its divisors is an integer number (784980).

Almost surely, 2^8679021 is an apocalyptic number.

It is an amenable number.

8679021 is a deficient number, since it is larger than the sum of its proper divisors (3880659).

8679021 is a wasteful number, since it uses less digits than its factorization.

8679021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 8679021 is about 2946.0178207200. The cubic root of 8679021 is about 205.5055616210.

It can be divided in two parts, 867902 and 1, that added together give a triangular number (867903 = T₁₃₁₇).

The spelling of 8679021 in words is "eight million, six hundred seventy-nine thousand, twenty-one".