898439 has 2 divisors, whose sum is σ = 898440. Its totient is φ = 898438.

The previous prime is 898427. The next prime is 898459. The reversal of 898439 is 934898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898439 - 2⁴ = 898423 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 898396 and 898405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898439.

It is not a weakly prime, because it can be changed into another prime (898409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449219 + 449220.

It is an arithmetic number, because the mean of its divisors is an integer number (449220).

2⁸⁹⁸⁴³⁹ is an apocalyptic number.

898439 is a deficient number, since it is larger than the sum of its proper divisors (1).

898439 is an equidigital number, since it uses as much as digits as its factorization.

898439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 898439 is about 947.8602217627. The cubic root of 898439 is about 96.4930865675.

The spelling of 898439 in words is "eight hundred ninety-eight thousand, four hundred thirty-nine".