999468288 has 432 divisors, whose sum is σ = 3718935360. Its totient is φ = 262434816.

The previous prime is 999468277. The next prime is 999468359. The reversal of 999468288 is 882864999.

999468288 is a `hidden beast` number, since 9 + 99 + 468 + 2 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (63).

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

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 47 ways as a sum of consecutive naturals, for example, 4402831 + ... + 4403057.

Almost surely, 2^999468288 is an apocalyptic number.

999468288 is a gapful number since it is divisible by the number (98) 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 999468288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859467680).

999468288 is an abundant number, since it is smaller than the sum of its proper divisors (2719467072).

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

999468288 is a wasteful number, since it uses less digits than its factorization.

999468288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 252 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 63.

The square root of 999468288 is about 31614.3683789507. The cubic root of 999468288 is about 999.8227312443.

The spelling of 999468288 in words is "nine hundred ninety-nine million, four hundred sixty-eight thousand, two hundred eighty-eight".