8921701 has 2 divisors, whose sum is σ = 8921702. Its totient is φ = 8921700.

The previous prime is 8921669. The next prime is 8921729. The reversal of 8921701 is 1071298.

It is an a-pointer prime, because the next prime (8921729) can be obtained adding 8921701 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5997601 + 2924100 = 2449^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 8921701 - 2⁵ = 8921669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8921701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8921741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4460850 + 4460851.

It is an arithmetic number, because the mean of its divisors is an integer number (4460851).

Almost surely, 2^8921701 is an apocalyptic number.

8921701 is the 1725-th hex number.

It is an amenable number.

8921701 is a deficient number, since it is larger than the sum of its proper divisors (1).

8921701 is an equidigital number, since it uses as much as digits as its factorization.

8921701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8921701 is about 2986.9216595016. The cubic root of 8921701 is about 207.4034078905.

Adding to 8921701 its reverse (1071298), we get a palindrome (9992999).

The spelling of 8921701 in words is "eight million, nine hundred twenty-one thousand, seven hundred one".