9540869 has 16 divisors (see below), whose sum is σ = 10946880. Its totient is φ = 8265456.

The previous prime is 9540847. The next prime is 9540871. The reversal of 9540869 is 9680459.

It is not a de Polignac number, because 9540869 - 2¹² = 9536773 is a prime.

It is a super-2 number, since 2×9540869² = 182056362550322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9540809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89114 + ... + 89220.

It is an arithmetic number, because the mean of its divisors is an integer number (684180).

Almost surely, 2^9540869 is an apocalyptic number.

It is an amenable number.

9540869 is a deficient number, since it is larger than the sum of its proper divisors (1406011).

9540869 is a wasteful number, since it uses less digits than its factorization.

9540869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 139 counting only the distinct ones).

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

The square root of 9540869 is about 3088.8297136618. The cubic root of 9540869 is about 212.0944532836.

The spelling of 9540869 in words is "nine million, five hundred forty thousand, eight hundred sixty-nine".