899046720 has 672 divisors, whose sum is σ = 3794394240. Its totient is φ = 192430080.

The previous prime is 899046703. The next prime is 899046721. The reversal of 899046720 is 27640998.

It is a happy number.

899046720 is a `hidden beast` number, since 89 + 90 + 467 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899046721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15238051 + ... + 15238109.

It is an arithmetic number, because the mean of its divisors is an integer number (5646420).

Almost surely, 2^899046720 is an apocalyptic number.

899046720 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 899046720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897197120).

899046720 is an abundant number, since it is smaller than the sum of its proper divisors (2895347520).

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

899046720 is a wasteful number, since it uses less digits than its factorization.

899046720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 899046720 is about 29984.1077906280. The cubic root of 899046720 is about 965.1483820619.

The spelling of 899046720 in words is "eight hundred ninety-nine million, forty-six thousand, seven hundred twenty".