899089698 has 64 divisors (see below), whose sum is σ = 1978784640. Its totient is φ = 270670848.

The previous prime is 899089663. The next prime is 899089699. The reversal of 899089698 is 896980998.

It is not an unprimeable number, because it can be changed into a prime (899089699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730948 + ... + 732176.

It is an arithmetic number, because the mean of its divisors is an integer number (30918510).

Almost surely, 2^899089698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899089698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989392320).

899089698 is an abundant number, since it is smaller than the sum of its proper divisors (1079694942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899089698 is a wasteful number, since it uses less digits than its factorization.

899089698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 20155392, while the sum is 66.

The square root of 899089698 is about 29984.8244617173. The cubic root of 899089698 is about 965.1637611241.

The spelling of 899089698 in words is "eight hundred ninety-nine million, eighty-nine thousand, six hundred ninety-eight".