8896981 has 2 divisors, whose sum is σ = 8896982. Its totient is φ = 8896980.

The previous prime is 8896931. The next prime is 8896991. The reversal of 8896981 is 1896988.

It is a happy number.

8896981 is digitally balanced in base 2, 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., 8702500 + 194481 = 2950^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 8896981 - 2¹¹ = 8894933 is a prime.

It is a super-2 number, since 2×8896981² = 158312541828722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8896931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4448490 + 4448491.

It is an arithmetic number, because the mean of its divisors is an integer number (4448491).

Almost surely, 2^8896981 is an apocalyptic number.

It is an amenable number.

8896981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8896981 is an equidigital number, since it uses as much as digits as its factorization.

8896981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 49.

The square root of 8896981 is about 2982.7807495691. The cubic root of 8896981 is about 207.2116748414.

The spelling of 8896981 in words is "eight million, eight hundred ninety-six thousand, nine hundred eighty-one".