884129 has 2 divisors, whose sum is σ = 884130. Its totient is φ = 884128.

The previous prime is 884111. The next prime is 884131. The reversal of 884129 is 921488.

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., 883600 + 529 = 940^2 + 23^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-884129 is a prime.

Together with 884131, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 884095 and 884104.

It is not a weakly prime, because it can be changed into another prime (884159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442064 + 442065.

It is an arithmetic number, because the mean of its divisors is an integer number (442065).

2⁸⁸⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

884129 is a deficient number, since it is larger than the sum of its proper divisors (1).

884129 is an equidigital number, since it uses as much as digits as its factorization.

884129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 884129 is about 940.2813408762. The cubic root of 884129 is about 95.9780404055.

The spelling of 884129 in words is "eight hundred eighty-four thousand, one hundred twenty-nine".