898538 has 4 divisors (see below), whose sum is σ = 1347810. Its totient is φ = 449268.

The previous prime is 898523. The next prime is 898543. The reversal of 898538 is 835898.

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

It can be written as a sum of positive squares in only one way, i.e., 588289 + 310249 = 767^2 + 557^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 898495 and 898504.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 224633 + ... + 224636.

2⁸⁹⁸⁵³⁸ is an apocalyptic number.

898538 is a deficient number, since it is larger than the sum of its proper divisors (449272).

898538 is a wasteful number, since it uses less digits than its factorization.

898538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449271.

The product of its digits is 69120, while the sum is 41.

The square root of 898538 is about 947.9124432140. The cubic root of 898538 is about 96.4966306644.

The spelling of 898538 in words is "eight hundred ninety-eight thousand, five hundred thirty-eight".