9954881 has 2 divisors, whose sum is σ = 9954882. Its totient is φ = 9954880.

The previous prime is 9954871. The next prime is 9954907. The reversal of 9954881 is 1884599.

9954881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 1050625 = 2984^2 + 1025^2 .

It is an emirp because it is prime and its reverse (1884599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9954881 is a prime.

It is a super-2 number, since 2×9954881² = 198199311448322, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9954851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977440 + 4977441.

It is an arithmetic number, because the mean of its divisors is an integer number (4977441).

Almost surely, 2^9954881 is an apocalyptic number.

It is an amenable number.

9954881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9954881 is an equidigital number, since it uses as much as digits as its factorization.

9954881 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 9954881 is about 3155.1356547699. The cubic root of 9954881 is about 215.1189606671.

The spelling of 9954881 in words is "nine million, nine hundred fifty-four thousand, eight hundred eighty-one".