8704981 has 2 divisors, whose sum is σ = 8704982. Its totient is φ = 8704980.

The previous prime is 8704979. The next prime is 8705009. The reversal of 8704981 is 1894078.

8704981 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., 7102225 + 1602756 = 2665^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 8704981 - 2¹ = 8704979 is a prime.

It is a super-2 number, since 2×8704981² = 151553388420722, which contains 22 as substring.

Together with 8704979, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8704981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8704921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4352490 + 4352491.

It is an arithmetic number, because the mean of its divisors is an integer number (4352491).

Almost surely, 2^8704981 is an apocalyptic number.

It is an amenable number.

8704981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8704981 is an equidigital number, since it uses as much as digits as its factorization.

8704981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8704981 is about 2950.4204785081. The cubic root of 8704981 is about 205.7102549870.

The spelling of 8704981 in words is "eight million, seven hundred four thousand, nine hundred eighty-one".