8460689 has 4 divisors (see below), whose sum is σ = 8538420. Its totient is φ = 8382960.

The previous prime is 8460677. The next prime is 8460701. The reversal of 8460689 is 9860648.

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

It is an interprime number because it is at equal distance from previous prime (8460677) and next prime (8460701).

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 2739025 = 2392^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 8460689 - 2⁸ = 8460433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8460589) 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, 38702 + ... + 38919.

It is an arithmetic number, because the mean of its divisors is an integer number (2134605).

Almost surely, 2^8460689 is an apocalyptic number.

It is an amenable number.

8460689 is a deficient number, since it is larger than the sum of its proper divisors (77731).

8460689 is a wasteful number, since it uses less digits than its factorization.

8460689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77730.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8460689 is about 2908.7263535781. The cubic root of 8460689 is about 203.7676532561.

Subtracting from 8460689 its sum of digits (41), we obtain a palindrome (8460648).

The spelling of 8460689 in words is "eight million, four hundred sixty thousand, six hundred eighty-nine".