898539 has 4 divisors (see below), whose sum is σ = 1198056. Its totient is φ = 599024.

The previous prime is 898523. The next prime is 898543. The reversal of 898539 is 935898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 898539 - 2⁴ = 898523 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 898539.

It is not an unprimeable number, because it can be changed into a prime (898519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149754 + ... + 149759.

It is an arithmetic number, because the mean of its divisors is an integer number (299514).

2⁸⁹⁸⁵³⁹ is an apocalyptic number.

898539 is a deficient number, since it is larger than the sum of its proper divisors (299517).

898539 is a wasteful number, since it uses less digits than its factorization.

898539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299516.

The product of its digits is 77760, while the sum is 42.

The square root of 898539 is about 947.9129706888. The cubic root of 898539 is about 96.4966664620.

The spelling of 898539 in words is "eight hundred ninety-eight thousand, five hundred thirty-nine".