899334144 has 240 divisors, whose sum is σ = 2831068800. Its totient is φ = 281346048.

The previous prime is 899334113. The next prime is 899334169. The reversal of 899334144 is 441433998.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 899334144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8404939 + ... + 8405045.

It is an arithmetic number, because the mean of its divisors is an integer number (11796120).

Almost surely, 2^899334144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899334144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415534400).

899334144 is an abundant number, since it is smaller than the sum of its proper divisors (1931734656).

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

899334144 is a wasteful number, since it uses less digits than its factorization.

899334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 131 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 899334144 is about 29988.9003466283. The cubic root of 899334144 is about 965.2512233068.

The spelling of 899334144 in words is "eight hundred ninety-nine million, three hundred thirty-four thousand, one hundred forty-four".