9890668 has 12 divisors (see below), whose sum is σ = 18326952. Its totient is φ = 4654400.

The previous prime is 9890663. The next prime is 9890669. The reversal of 9890668 is 8660989.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9890663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72658 + ... + 72793.

It is an arithmetic number, because the mean of its divisors is an integer number (1527246).

Almost surely, 2^9890668 is an apocalyptic number.

It is an amenable number.

9890668 is a deficient number, since it is larger than the sum of its proper divisors (8436284).

9890668 is a wasteful number, since it uses less digits than its factorization.

9890668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145472 (or 145470 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 9890668 is about 3144.9432427311. The cubic root of 9890668 is about 214.6554278716.

The spelling of 9890668 in words is "nine million, eight hundred ninety thousand, six hundred sixty-eight".