9708994 has 4 divisors (see below), whose sum is σ = 14563494. Its totient is φ = 4854496.

The previous prime is 9708991. The next prime is 9709003. The reversal of 9708994 is 4998079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4998079 = 823 ⋅6073.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 18225 = 3113^2 + 135^2 .

It is not an unprimeable number, because it can be changed into a prime (9708991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427247 + ... + 2427250.

Almost surely, 2^9708994 is an apocalyptic number.

9708994 is a deficient number, since it is larger than the sum of its proper divisors (4854500).

9708994 is a wasteful number, since it uses less digits than its factorization.

9708994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854499.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9708994 is about 3115.9258656136. The cubic root of 9708994 is about 213.3330181202. Note that the first 3 decimals are identical.

Subtracting from 9708994 its reverse (4998079), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 9708994 in words is "nine million, seven hundred eight thousand, nine hundred ninety-four".