9861608 has 16 divisors (see below), whose sum is σ = 19464000. Its totient is φ = 4671216.

The previous prime is 9861583. The next prime is 9861611. The reversal of 9861608 is 8061689.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32288 + ... + 32591.

It is an arithmetic number, because the mean of its divisors is an integer number (1216500).

Almost surely, 2^9861608 is an apocalyptic number.

It is an amenable number.

9861608 is a deficient number, since it is larger than the sum of its proper divisors (9602392).

9861608 is a wasteful number, since it uses less digits than its factorization.

9861608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64904 (or 64900 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9861608 is about 3140.3197289448. The cubic root of 9861608 is about 214.4449936201. Note that the first 3 decimals are identical.

The spelling of 9861608 in words is "nine million, eight hundred sixty-one thousand, six hundred eight".