8573869 has 2 divisors, whose sum is σ = 8573870. Its totient is φ = 8573868.

The previous prime is 8573849. The next prime is 8573951. The reversal of 8573869 is 9683758.

8573869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4818025 + 3755844 = 2195^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 8573869 - 2¹³ = 8565677 is a prime.

It is a super-2 number, since 2×8573869² = 147022459258322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8573809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286934 + 4286935.

It is an arithmetic number, because the mean of its divisors is an integer number (4286935).

Almost surely, 2^8573869 is an apocalyptic number.

It is an amenable number.

8573869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8573869 is an equidigital number, since it uses as much as digits as its factorization.

8573869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 8573869 is about 2928.1169717072. The cubic root of 8573869 is about 204.6722424655.

It can be divided in two parts, 857386 and 9, that added together give a triangular number (857395 = T₁₃₀₉).

The spelling of 8573869 in words is "eight million, five hundred seventy-three thousand, eight hundred sixty-nine".