8047889 has 2 divisors, whose sum is σ = 8047890. Its totient is φ = 8047888.

The previous prime is 8047883. The next prime is 8047903. The reversal of 8047889 is 9887408.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246864 + 801025 = 2692^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 8047889 - 2⁴ = 8047873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8047883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4023944 + 4023945.

It is an arithmetic number, because the mean of its divisors is an integer number (4023945).

Almost surely, 2^8047889 is an apocalyptic number.

It is an amenable number.

8047889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8047889 is an equidigital number, since it uses as much as digits as its factorization.

8047889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 8047889 is about 2836.8801525620. The cubic root of 8047889 is about 200.3982813334.

The spelling of 8047889 in words is "eight million, forty-seven thousand, eight hundred eighty-nine".