9861607 has 8 divisors (see below), whose sum is σ = 11545632. Its totient is φ = 8246400.

The previous prime is 9861583. The next prime is 9861611. The reversal of 9861607 is 7061689.

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

It is a cyclic number.

It is not a de Polignac number, because 9861607 - 2¹¹ = 9859559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9861637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16894 + ... + 17467.

It is an arithmetic number, because the mean of its divisors is an integer number (1443204).

Almost surely, 2^9861607 is an apocalyptic number.

9861607 is a deficient number, since it is larger than the sum of its proper divisors (1684025).

9861607 is a wasteful number, since it uses less digits than its factorization.

9861607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34409.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9861607 is about 3140.3195697253. The cubic root of 9861607 is about 214.4449863716. Note that the first 3 decimals are identical.

The spelling of 9861607 in words is "nine million, eight hundred sixty-one thousand, six hundred seven".