9820506 has 8 divisors (see below), whose sum is σ = 19641024. Its totient is φ = 3273500.

The previous prime is 9820493. The next prime is 9820513. The reversal of 9820506 is 6050289.

It is a sphenic number, since it is the product of 3 distinct primes.

9820506 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818370 + ... + 818381.

It is an arithmetic number, because the mean of its divisors is an integer number (2455128).

Almost surely, 2^9820506 is an apocalyptic number.

9820506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9820506 is a wasteful number, since it uses less digits than its factorization.

9820506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636756.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 9820506 is about 3133.7686577027. The cubic root of 9820506 is about 214.1466517420.

The spelling of 9820506 in words is "nine million, eight hundred twenty thousand, five hundred six".