9699890 has 8 divisors (see below), whose sum is σ = 17459820. Its totient is φ = 3879952.

The previous prime is 9699889. The next prime is 9699913. The reversal of 9699890 is 989969.

It can be written as a sum of positive squares in 2 ways, for example, as 9006001 + 693889 = 3001^2 + 833^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 484985 + ... + 485004.

Almost surely, 2^9699890 is an apocalyptic number.

9699890 is a deficient number, since it is larger than the sum of its proper divisors (7759930).

9699890 is a wasteful number, since it uses less digits than its factorization.

9699890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969996.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9699890 is about 3114.4646409937. The cubic root of 9699890 is about 213.2663173832.

The spelling of 9699890 in words is "nine million, six hundred ninety-nine thousand, eight hundred ninety".