9828009 has 12 divisors (see below), whose sum is σ = 14225796. Its totient is φ = 6538272.

The previous prime is 9828001. The next prime is 9828017. The reversal of 9828009 is 9008289.

It is an interprime number because it is at equal distance from previous prime (9828001) and next prime (9828017).

It can be written as a sum of positive squares in 2 ways, for example, as 8555625 + 1272384 = 2925^2 + 1128^2 .

It is not a de Polignac number, because 9828009 - 2³ = 9828001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9828001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5287 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (1185483).

Almost surely, 2^9828009 is an apocalyptic number.

It is an amenable number.

9828009 is a deficient number, since it is larger than the sum of its proper divisors (4397787).

9828009 is a wasteful number, since it uses less digits than its factorization.

9828009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9828009 is about 3134.9655500500. The cubic root of 9828009 is about 214.2011748426.

The spelling of 9828009 in words is "nine million, eight hundred twenty-eight thousand, nine".