9704890 has 16 divisors (see below), whose sum is σ = 18812808. Its totient is φ = 3583296.

The previous prime is 9704887. The next prime is 9704899. The reversal of 9704890 is 984079.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7634169 + 2070721 = 2763^2 + 1439^2 .

It is not an unprimeable number, because it can be changed into a prime (9704899) by changing a digit.

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, 37197 + ... + 37456.

Almost surely, 2^9704890 is an apocalyptic number.

9704890 is a deficient number, since it is larger than the sum of its proper divisors (9107918).

9704890 is a wasteful number, since it uses less digits than its factorization.

9704890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74673.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9704890 is about 3115.2672437529. The cubic root of 9704890 is about 213.3029552013.

The spelling of 9704890 in words is "nine million, seven hundred four thousand, eight hundred ninety".