8429089 has 2 divisors, whose sum is σ = 8429090. Its totient is φ = 8429088.

The previous prime is 8429051. The next prime is 8429123. The reversal of 8429089 is 9809248.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 134689 = 2880^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 8429089 - 2¹³ = 8420897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8429189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4214544 + 4214545.

It is an arithmetic number, because the mean of its divisors is an integer number (4214545).

Almost surely, 2^8429089 is an apocalyptic number.

It is an amenable number.

8429089 is a deficient number, since it is larger than the sum of its proper divisors (1).

8429089 is an equidigital number, since it uses as much as digits as its factorization.

8429089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 8429089 is about 2903.2893414195. The cubic root of 8429089 is about 203.5136514455.

The spelling of 8429089 in words is "eight million, four hundred twenty-nine thousand, eighty-nine".