898886889 has 28 divisors (see below), whose sum is σ = 1370622000. Its totient is φ = 589072824.

The previous prime is 898886873. The next prime is 898886927. The reversal of 898886889 is 988688898.

It is not a de Polignac number, because 898886889 - 2⁴ = 898886873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898886839) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 32562 + ... + 53460.

Almost surely, 2^898886889 is an apocalyptic number.

It is an amenable number.

898886889 is a deficient number, since it is larger than the sum of its proper divisors (471735111).

898886889 is an equidigital number, since it uses as much as digits as its factorization.

898886889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20976 (or 20961 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 72.

The square root of 898886889 is about 29981.4424102644. The cubic root of 898886889 is about 965.0911845252.

The spelling of 898886889 in words is "eight hundred ninety-eight million, eight hundred eighty-six thousand, eight hundred eighty-nine".