9540849 has 4 divisors (see below), whose sum is σ = 12721136. Its totient is φ = 6360564.

The previous prime is 9540847. The next prime is 9540871. The reversal of 9540849 is 9480459.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9480459 = 3 ⋅3160153.

It is not a de Polignac number, because 9540849 - 2¹ = 9540847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9540847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590139 + ... + 1590144.

It is an arithmetic number, because the mean of its divisors is an integer number (3180284).

Almost surely, 2^9540849 is an apocalyptic number.

It is an amenable number.

9540849 is a deficient number, since it is larger than the sum of its proper divisors (3180287).

9540849 is a wasteful number, since it uses less digits than its factorization.

9540849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180286.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 9540849 is about 3088.8264761880. The cubic root of 9540849 is about 212.0943050828.

The spelling of 9540849 in words is "nine million, five hundred forty thousand, eight hundred forty-nine".