898498 has 4 divisors (see below), whose sum is σ = 1347750. Its totient is φ = 449248.

The previous prime is 898493. The next prime is 898519. The reversal of 898498 is 894898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894898 = 2 ⋅447449.

It can be written as a sum of positive squares in only one way, i.e., 522729 + 375769 = 723^2 + 613^2 .

It is not an unprimeable number, because it can be changed into a prime (898493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224623 + ... + 224626.

2⁸⁹⁸⁴⁹⁸ is an apocalyptic number.

898498 is a deficient number, since it is larger than the sum of its proper divisors (449252).

898498 is a wasteful number, since it uses less digits than its factorization.

898498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449251.

The product of its digits is 165888, while the sum is 46.

The square root of 898498 is about 947.8913439841. The cubic root of 898498 is about 96.4951987374.

Subtracting from 898498 its reverse (894898), we obtain a square (3600 = 60²).

The spelling of 898498 in words is "eight hundred ninety-eight thousand, four hundred ninety-eight".