899136000 has 480 divisors, whose sum is σ = 3717762048. Its totient is φ = 204595200.

The previous prime is 899135989. The next prime is 899136011. The reversal of 899136000 is 631998.

899136000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (899135989) and next prime (899136011).

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4031889 + ... + 4032111.

Almost surely, 2^899136000 is an apocalyptic number.

899136000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858881024).

899136000 is an abundant number, since it is smaller than the sum of its proper divisors (2818626048).

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

899136000 is a wasteful number, since it uses less digits than its factorization.

899136000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 899136000 is about 29985.5965423401. The cubic root of 899136000 is about 965.1803290837.

Adding to 899136000 its reverse (631998), we get a palindrome (899767998).

The spelling of 899136000 in words is "eight hundred ninety-nine million, one hundred thirty-six thousand".