9406820 has 24 divisors (see below), whose sum is σ = 19864824. Its totient is φ = 3741696.

The previous prime is 9406819. The next prime is 9406849. The reversal of 9406820 is 286049.

It can be written as a sum of positive squares in 4 ways, for example, as 1833316 + 7573504 = 1354^2 + 2752^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2642 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (827701).

Almost surely, 2^9406820 is an apocalyptic number.

It is an amenable number.

9406820 is an abundant number, since it is smaller than the sum of its proper divisors (10458004).

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

9406820 is a wasteful number, since it uses less digits than its factorization.

9406820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 9406820 is about 3067.0539610512. The cubic root of 9406820 is about 211.0964571751.

The spelling of 9406820 in words is "nine million, four hundred six thousand, eight hundred twenty".