8901689 has 2 divisors, whose sum is σ = 8901690. Its totient is φ = 8901688.

The previous prime is 8901679. The next prime is 8901701. The reversal of 8901689 is 9861098.

8901689 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., 5953600 + 2948089 = 2440^2 + 1717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8901689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8901649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4450844 + 4450845.

It is an arithmetic number, because the mean of its divisors is an integer number (4450845).

Almost surely, 2^8901689 is an apocalyptic number.

It is an amenable number.

8901689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8901689 is an equidigital number, since it uses as much as digits as its factorization.

8901689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8901689 is about 2983.5698416494. The cubic root of 8901689 is about 207.2482183438.

The spelling of 8901689 in words is "eight million, nine hundred one thousand, six hundred eighty-nine".