898737489 has 48 divisors (see below), whose sum is σ = 1464677760. Its totient is φ = 526901760.

The previous prime is 898737467. The next prime is 898737509. The reversal of 898737489 is 984737898.

898737489 is a `hidden beast` number, since 89 + 8 + 73 + 7 + 489 = 666.

It is not a de Polignac number, because 898737489 - 2⁸ = 898737233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898737439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890217 + ... + 891225.

It is an arithmetic number, because the mean of its divisors is an integer number (30514120).

Almost surely, 2^898737489 is an apocalyptic number.

It is an amenable number.

898737489 is a deficient number, since it is larger than the sum of its proper divisors (565940271).

898737489 is a wasteful number, since it uses less digits than its factorization.

898737489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1379 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 898737489 is about 29978.9507654954. The cubic root of 898737489 is about 965.0377137220.

The spelling of 898737489 in words is "eight hundred ninety-eight million, seven hundred thirty-seven thousand, four hundred eighty-nine".