9889706 has 8 divisors (see below), whose sum is σ = 14912004. Its totient is φ = 4919040.

The previous prime is 9889697. The next prime is 9889717. The reversal of 9889706 is 6079889.

It can be written as a sum of positive squares in 2 ways, for example, as 8970025 + 919681 = 2995^2 + 959^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12425 + ... + 13196.

Almost surely, 2^9889706 is an apocalyptic number.

9889706 is a deficient number, since it is larger than the sum of its proper divisors (5022298).

9889706 is a wasteful number, since it uses less digits than its factorization.

9889706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25816.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9889706 is about 3144.7902950753. The cubic root of 9889706 is about 214.6484682737.

The spelling of 9889706 in words is "nine million, eight hundred eighty-nine thousand, seven hundred six".