9385981 has 8 divisors (see below), whose sum is σ = 10778400. Its totient is φ = 8083440.

The previous prime is 9385979. The next prime is 9385991. The reversal of 9385981 is 1895839.

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 9385981 - 2¹ = 9385979 is a prime.

It is a super-2 number, since 2×9385981² = 176193278664722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9385991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22246 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (1347300).

Almost surely, 2^9385981 is an apocalyptic number.

It is an amenable number.

9385981 is a deficient number, since it is larger than the sum of its proper divisors (1392419).

9385981 is a wasteful number, since it uses less digits than its factorization.

9385981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44939.

The product of its digits is 77760, while the sum is 43.

The square root of 9385981 is about 3063.6548434835. The cubic root of 9385981 is about 210.9404607284.

The spelling of 9385981 in words is "nine million, three hundred eighty-five thousand, nine hundred eighty-one".