898698128 has 10 divisors (see below), whose sum is σ = 1741227654. Its totient is φ = 449349056.

The previous prime is 898698127. The next prime is 898698161. The reversal of 898698128 is 821896898.

It can be written as a sum of positive squares in only one way, i.e., 876870544 + 21827584 = 29612^2 + 4672^2 .

It is not an unprimeable number, because it can be changed into a prime (898698127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28084301 + ... + 28084332.

Almost surely, 2^898698128 is an apocalyptic number.

It is an amenable number.

898698128 is a deficient number, since it is larger than the sum of its proper divisors (842529526).

898698128 is a wasteful number, since it uses less digits than its factorization.

898698128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56168641 (or 56168635 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 59.

The square root of 898698128 is about 29978.2942810294. The cubic root of 898698128 is about 965.0236252907.

The spelling of 898698128 in words is "eight hundred ninety-eight million, six hundred ninety-eight thousand, one hundred twenty-eight".