9802829 has 4 divisors (see below), whose sum is σ = 10379484. Its totient is φ = 9226176.

The previous prime is 9802811. The next prime is 9802867. The reversal of 9802829 is 9282089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7828804 + 1974025 = 2798^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 9802829 - 2¹⁶ = 9737293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9802792 and 9802801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9802889) 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, 288302 + ... + 288335.

It is an arithmetic number, because the mean of its divisors is an integer number (2594871).

Almost surely, 2^9802829 is an apocalyptic number.

It is an amenable number.

9802829 is a deficient number, since it is larger than the sum of its proper divisors (576655).

9802829 is a wasteful number, since it uses less digits than its factorization.

9802829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576654.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9802829 is about 3130.9469813461. The cubic root of 9802829 is about 214.0180859318.

The spelling of 9802829 in words is "nine million, eight hundred two thousand, eight hundred twenty-nine".