898989898 has 8 divisors (see below), whose sum is σ = 1350025092. Its totient is φ = 448981536.

The previous prime is 898989877. The next prime is 898989899.

It is a happy number.

898989898 is nontrivially palindromic in base 10.

898989898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 890007889 + 8982009 = 29833^2 + 2997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

898989898 is an undulating number in base 10.

It is not an unprimeable number, because it can be changed into a prime (898989899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254515 + ... + 258022.

Almost surely, 2^898989898 is an apocalyptic number.

898989898 is a deficient number, since it is larger than the sum of its proper divisors (451035194).

898989898 is a wasteful number, since it uses less digits than its factorization.

898989898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513416.

The product of its digits is 214990848, while the sum is 76.

The square root of 898989898 is about 29983.1602403749. The cubic root of 898989898 is about 965.1280483701.

The spelling of 898989898 in words is "eight hundred ninety-eight million, nine hundred eighty-nine thousand, eight hundred ninety-eight".