8695021 has 4 divisors (see below), whose sum is σ = 8859132. Its totient is φ = 8530912.

The previous prime is 8695019. The next prime is 8695051. The reversal of 8695021 is 1205968.

8695021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7672900 + 1022121 = 2770^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 8695021 - 2¹ = 8695019 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8695051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81976 + ... + 82081.

It is an arithmetic number, because the mean of its divisors is an integer number (2214783).

Almost surely, 2^8695021 is an apocalyptic number.

It is an amenable number.

8695021 is a deficient number, since it is larger than the sum of its proper divisors (164111).

8695021 is a wasteful number, since it uses less digits than its factorization.

8695021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164110.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 8695021 is about 2948.7321004120. The cubic root of 8695021 is about 205.6317690390.

The spelling of 8695021 in words is "eight million, six hundred ninety-five thousand, twenty-one".