9849440 has 24 divisors (see below), whose sum is σ = 23269680. Its totient is φ = 3939712.

The previous prime is 9849421. The next prime is 9849449. The reversal of 9849440 is 449489.

It is a super-2 number, since 2×9849440² = 194022936627200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9849394 and 9849403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9849449) 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, 30620 + ... + 30939.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^9849440 is an apocalyptic number.

It is an amenable number.

9849440 is an abundant number, since it is smaller than the sum of its proper divisors (13420240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9849440 is a wasteful number, since it uses less digits than its factorization.

9849440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61574 (or 61566 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 9849440 is about 3138.3817486087. The cubic root of 9849440 is about 214.3567578195.

The spelling of 9849440 in words is "nine million, eight hundred forty-nine thousand, four hundred forty".