899929998 has 72 divisors (see below), whose sum is σ = 2164970808. Its totient is φ = 269940000.

The previous prime is 899929967. The next prime is 899929999.

899929998 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899929999) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 217933 + ... + 222023.

It is an arithmetic number, because the mean of its divisors is an integer number (30069039).

Almost surely, 2^899929998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899929998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082485404).

899929998 is an abundant number, since it is smaller than the sum of its proper divisors (1265040810).

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

899929998 is a wasteful number, since it uses less digits than its factorization.

899929998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222 (or 4208 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 72.

The square root of 899929998 is about 29998.8332773126. The cubic root of 899929998 is about 965.4643520352.

The spelling of 899929998 in words is "eight hundred ninety-nine million, nine hundred twenty-nine thousand, nine hundred ninety-eight".