9858961 has 8 divisors (see below), whose sum is σ = 11631104. Its totient is φ = 8177760.

The previous prime is 9858949. The next prime is 9858971. The reversal of 9858961 is 1698589.

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 9858961 - 2⁷ = 9858833 is a prime.

It is a super-2 number, since 2×9858961² = 194398223999042, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9858971) 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 7 ways as a sum of consecutive naturals, for example, 22500 + ... + 22933.

It is an arithmetic number, because the mean of its divisors is an integer number (1453888).

Almost surely, 2^9858961 is an apocalyptic number.

It is an amenable number.

9858961 is a deficient number, since it is larger than the sum of its proper divisors (1772143).

9858961 is a wasteful number, since it uses less digits than its factorization.

9858961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45471.

The product of its digits is 155520, while the sum is 46.

The square root of 9858961 is about 3139.8982467590. The cubic root of 9858961 is about 214.4258051776.

The spelling of 9858961 in words is "nine million, eight hundred fifty-eight thousand, nine hundred sixty-one".