8534689 has 4 divisors (see below), whose sum is σ = 8597124. Its totient is φ = 8472256.

The previous prime is 8534681. The next prime is 8534699. The reversal of 8534689 is 9864358.

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 3869089 + 4665600 = 1967^2 + 2160^2 .

It is a cyclic number.

It is not a de Polignac number, because 8534689 - 2³ = 8534681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534681) 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, 31012 + ... + 31285.

It is an arithmetic number, because the mean of its divisors is an integer number (2149281).

Almost surely, 2^8534689 is an apocalyptic number.

It is an amenable number.

8534689 is a deficient number, since it is larger than the sum of its proper divisors (62435).

8534689 is a wasteful number, since it uses less digits than its factorization.

8534689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62434.

The product of its digits is 207360, while the sum is 43.

The square root of 8534689 is about 2921.4190045250. The cubic root of 8534689 is about 204.3600028585.

Subtracting from 8534689 its sum of digits (43), we obtain a triangular number (8534646 = T₄₁₃₁).

The spelling of 8534689 in words is "eight million, five hundred thirty-four thousand, six hundred eighty-nine".