9890697 has 16 divisors (see below), whose sum is σ = 14077760. Its totient is φ = 6158592.

The previous prime is 9890693. The next prime is 9890737. The reversal of 9890697 is 7960989.

It is a happy number.

It is not a de Polignac number, because 9890697 - 2² = 9890693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9890693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2973 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (879860).

Almost surely, 2^9890697 is an apocalyptic number.

It is an amenable number.

9890697 is a deficient number, since it is larger than the sum of its proper divisors (4187063).

9890697 is a wasteful number, since it uses less digits than its factorization.

9890697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 9890697 is about 3144.9478533038. The cubic root of 9890697 is about 214.6556376653.

The spelling of 9890697 in words is "nine million, eight hundred ninety thousand, six hundred ninety-seven".