8869429 has 2 divisors, whose sum is σ = 8869430. Its totient is φ = 8869428.

The previous prime is 8869423. The next prime is 8869453. The reversal of 8869429 is 9249688.

8869429 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., 5267025 + 3602404 = 2295^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 8869429 - 2⁵ = 8869397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8869423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4434714 + 4434715.

It is an arithmetic number, because the mean of its divisors is an integer number (4434715).

Almost surely, 2^8869429 is an apocalyptic number.

It is an amenable number.

8869429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8869429 is an equidigital number, since it uses as much as digits as its factorization.

8869429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 8869429 is about 2978.1586593061. The cubic root of 8869429 is about 206.9975572848.

The spelling of 8869429 in words is "eight million, eight hundred sixty-nine thousand, four hundred twenty-nine".