8673869 has 4 divisors (see below), whose sum is σ = 8691420. Its totient is φ = 8656320.

The previous prime is 8673839. The next prime is 8673877. The reversal of 8673869 is 9683768.

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 7496644 + 1177225 = 2738^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 8673869 - 2¹⁶ = 8608333 is a prime.

It is a super-2 number, since 2×8673869² = 150472006858322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8673839) 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, 8012 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (2172855).

Almost surely, 2^8673869 is an apocalyptic number.

It is an amenable number.

8673869 is a deficient number, since it is larger than the sum of its proper divisors (17551).

8673869 is a wasteful number, since it uses less digits than its factorization.

8673869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550.

The product of its digits is 435456, while the sum is 47.

The square root of 8673869 is about 2945.1432902322. The cubic root of 8673869 is about 205.4648898208.

The spelling of 8673869 in words is "eight million, six hundred seventy-three thousand, eight hundred sixty-nine".