898129 has 2 divisors, whose sum is σ = 898130. Its totient is φ = 898128.

The previous prime is 898109. The next prime is 898133. The reversal of 898129 is 921898.

898129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 172225 = 852^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 898129 - 2⁵ = 898097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (898109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449064 + 449065.

It is an arithmetic number, because the mean of its divisors is an integer number (449065).

2⁸⁹⁸¹²⁹ is an apocalyptic number.

It is an amenable number.

898129 is a deficient number, since it is larger than the sum of its proper divisors (1).

898129 is an equidigital number, since it uses as much as digits as its factorization.

898129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The square root of 898129 is about 947.6966814335. The cubic root of 898129 is about 96.4819872059.

The spelling of 898129 in words is "eight hundred ninety-eight thousand, one hundred twenty-nine".