9766404 has 18 divisors (see below), whose sum is σ = 24687390. Its totient is φ = 3255456.

The previous prime is 9766391. The next prime is 9766423. The reversal of 9766404 is 4046679.

9766404 is a `hidden beast` number, since 9 + 7 + 6 + 640 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9290304 + 476100 = 3048^2 + 690^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 271289 = 9766404 / (9 + 7 + 6 + 6 + 4 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135609 + ... + 135680.

Almost surely, 2^9766404 is an apocalyptic number.

It is an amenable number.

9766404 is an abundant number, since it is smaller than the sum of its proper divisors (14920986).

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

9766404 is a wasteful number, since it uses less digits than its factorization.

9766404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271299 (or 271294 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 9766404 is about 3125.1246375145. The cubic root of 9766404 is about 213.7526766875.

The spelling of 9766404 in words is "nine million, seven hundred sixty-six thousand, four hundred four".