899909998 has 16 divisors (see below), whose sum is σ = 1454246640. Its totient is φ = 415187136.

The previous prime is 899909963. The next prime is 899910001.

899909998 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92586 + ... + 101842.

It is an arithmetic number, because the mean of its divisors is an integer number (90890415).

Almost surely, 2^899909998 is an apocalyptic number.

899909998 is a deficient number, since it is larger than the sum of its proper divisors (554336642).

899909998 is a wasteful number, since it uses less digits than its factorization.

899909998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 34012224, while the sum is 70.

The square root of 899909998 is about 29998.4999291631. The cubic root of 899909998 is about 965.4571998381.

The spelling of 899909998 in words is "eight hundred ninety-nine million, nine hundred nine thousand, nine hundred ninety-eight".