9820084 has 12 divisors (see below), whose sum is σ = 18196164. Its totient is φ = 4621184.

The previous prime is 9820073. The next prime is 9820099. The reversal of 9820084 is 4800289.

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 6360484 = 1860^2 + 2522^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72139 + ... + 72274.

It is an arithmetic number, because the mean of its divisors is an integer number (1516347).

Almost surely, 2^9820084 is an apocalyptic number.

It is an amenable number.

9820084 is a deficient number, since it is larger than the sum of its proper divisors (8376080).

9820084 is a wasteful number, since it uses less digits than its factorization.

9820084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144434 (or 144432 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 9820084 is about 3133.7013259084. The cubic root of 9820084 is about 214.1435843107.

The spelling of 9820084 in words is "nine million, eight hundred twenty thousand, eighty-four".