9854981 has 2 divisors, whose sum is σ = 9854982. Its totient is φ = 9854980.

The previous prime is 9854969. The next prime is 9854989. The reversal of 9854981 is 1894589.

9854981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 58081 = 3130^2 + 241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9854981 is a prime.

It is a super-2 number, since 2×9854981² = 194241301020722, which contains 22 as substring.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9854989) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927490 + 4927491.

It is an arithmetic number, because the mean of its divisors is an integer number (4927491).

Almost surely, 2^9854981 is an apocalyptic number.

It is an amenable number.

9854981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9854981 is an equidigital number, since it uses as much as digits as its factorization.

9854981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The square root of 9854981 is about 3139.2644042833. The cubic root of 9854981 is about 214.3969471817.

The spelling of 9854981 in words is "nine million, eight hundred fifty-four thousand, nine hundred eighty-one".