9840276 has 36 divisors (see below), whose sum is σ = 25287444. Its totient is φ = 3225600.

The previous prime is 9840269. The next prime is 9840283. The reversal of 9840276 is 6720489.

It is an interprime number because it is at equal distance from previous prime (9840269) and next prime (9840283).

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 6380676 = 1860^2 + 2526^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9840276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (702429).

Almost surely, 2^9840276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9840276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12643722).

9840276 is an abundant number, since it is smaller than the sum of its proper divisors (15447168).

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

9840276 is a wasteful number, since it uses less digits than its factorization.

9840276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9840276 is about 3136.9214207563. The cubic root of 9840276 is about 214.2902574275.

The spelling of 9840276 in words is "nine million, eight hundred forty thousand, two hundred seventy-six".