9804906 has 12 divisors (see below), whose sum is σ = 21244002. Its totient is φ = 3268296.

The previous prime is 9804901. The next prime is 9804911. The reversal of 9804906 is 6094089.

9804906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9804901) and next prime (9804911).

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 349281 = 3075^2 + 591^2 .

It is a super-2 number, since 2×9804906² = 192272363337672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9804901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272341 + ... + 272376.

Almost surely, 2^9804906 is an apocalyptic number.

9804906 is an abundant number, since it is smaller than the sum of its proper divisors (11439096).

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

9804906 is a wasteful number, since it uses less digits than its factorization.

9804906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544725 (or 544722 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9804906 is about 3131.2786525635. The cubic root of 9804906 is about 214.0332000780.

It can be divided in two parts, 980 and 4906, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 9804906 in words is "nine million, eight hundred four thousand, nine hundred six".