9540689 has 8 divisors (see below), whose sum is σ = 10293480. Its totient is φ = 8809216.

The previous prime is 9540677. The next prime is 9540697. The reversal of 9540689 is 9860459.

It can be written as a sum of positive squares in 4 ways, for example, as 1795600 + 7745089 = 1340^2 + 2783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9540689 - 2⁴ = 9540673 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 (9540649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4394 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (1286685).

Almost surely, 2^9540689 is an apocalyptic number.

It is an amenable number.

9540689 is a deficient number, since it is larger than the sum of its proper divisors (752791).

9540689 is a wasteful number, since it uses less digits than its factorization.

9540689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10659.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9540689 is about 3088.8005762755. The cubic root of 9540689 is about 212.0931194693.

The spelling of 9540689 in words is "nine million, five hundred forty thousand, six hundred eighty-nine".