898491 has 16 divisors (see below), whose sum is σ = 1376640. Its totient is φ = 515520.

The previous prime is 898483. The next prime is 898493. The reversal of 898491 is 194898.

It is not a de Polignac number, because 898491 - 2³ = 898483 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 1343.

It is an arithmetic number, because the mean of its divisors is an integer number (86040).

2⁸⁹⁸⁴⁹¹ is an apocalyptic number.

898491 is a deficient number, since it is larger than the sum of its proper divisors (478149).

898491 is a wasteful number, since it uses less digits than its factorization.

898491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466.

The product of its digits is 20736, while the sum is 39.

The square root of 898491 is about 947.8876515706. The cubic root of 898491 is about 96.4949481458.

The spelling of 898491 in words is "eight hundred ninety-eight thousand, four hundred ninety-one".