898839 has 6 divisors (see below), whose sum is σ = 1298336. Its totient is φ = 599220.

The previous prime is 898823. The next prime is 898853. The reversal of 898839 is 938898.

It is not a de Polignac number, because 898839 - 2⁴ = 898823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 898794 and 898803.

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 898839.

It is not an unprimeable number, because it can be changed into a prime (898819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49927 + ... + 49944.

2⁸⁹⁸⁸³⁹ is an apocalyptic number.

898839 is a deficient number, since it is larger than the sum of its proper divisors (399497).

898839 is a wasteful number, since it uses less digits than its factorization.

898839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99877 (or 99874 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 898839 is about 948.0711998579. The cubic root of 898839 is about 96.5074045523.

The spelling of 898839 in words is "eight hundred ninety-eight thousand, eight hundred thirty-nine".