899984895 has 16 divisors (see below), whose sum is σ = 1440527712. Its totient is φ = 479808000.

The previous prime is 899984893. The next prime is 899984993. The reversal of 899984895 is 598489998.

It is not a de Polignac number, because 899984895 - 2¹ = 899984893 is a prime.

It is a super-2 number, since 2×899984895² = 1619945622456322050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899984893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35019 + ... + 55011.

It is an arithmetic number, because the mean of its divisors is an integer number (90032982).

Almost surely, 2^899984895 is an apocalyptic number.

899984895 is a deficient number, since it is larger than the sum of its proper divisors (540542817).

899984895 is a wasteful number, since it uses less digits than its factorization.

899984895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23002.

The product of its digits is 67184640, while the sum is 69.

The square root of 899984895 is about 29999.7482489437. The cubic root of 899984895 is about 965.4839831987.

The spelling of 899984895 in words is "eight hundred ninety-nine million, nine hundred eighty-four thousand, eight hundred ninety-five".