9840849 has 16 divisors (see below), whose sum is σ = 13811712. Its totient is φ = 6220368.

The previous prime is 9840839. The next prime is 9840869. The reversal of 9840849 is 9480489.

It is not a de Polignac number, because 9840849 - 2⁴ = 9840833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9840849.

It is not an unprimeable number, because it can be changed into a prime (9840839) 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, 8202 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (863232).

Almost surely, 2^9840849 is an apocalyptic number.

It is an amenable number.

9840849 is a deficient number, since it is larger than the sum of its proper divisors (3970863).

9840849 is a wasteful number, since it uses less digits than its factorization.

9840849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 9840849 is about 3137.0127510101. The cubic root of 9840849 is about 214.2944167259.

The spelling of 9840849 in words is "nine million, eight hundred forty thousand, eight hundred forty-nine".