899514720 has 480 divisors, whose sum is σ = 3611472480. Its totient is φ = 209018880.

The previous prime is 899514719. The next prime is 899514743. The reversal of 899514720 is 27415998.

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 (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3200980 + ... + 3201260.

It is an arithmetic number, because the mean of its divisors is an integer number (7523901).

Almost surely, 2^899514720 is an apocalyptic number.

899514720 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 899514720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805736240).

899514720 is an abundant number, since it is smaller than the sum of its proper divisors (2711957760).

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

899514720 is a wasteful number, since it uses less digits than its factorization.

899514720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 899514720 is about 29991.9109094436. The cubic root of 899514720 is about 965.3158227817.

The spelling of 899514720 in words is "eight hundred ninety-nine million, five hundred fourteen thousand, seven hundred twenty".