918134784 has 224 divisors, whose sum is σ = 3114080640. Its totient is φ = 261881856.

The previous prime is 918134699. The next prime is 918134803. The reversal of 918134784 is 487431819.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547992 + ... + 1548584.

Almost surely, 2^918134784 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 918134784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557040320).

918134784 is an abundant number, since it is smaller than the sum of its proper divisors (2195945856).

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

918134784 is an equidigital number, since it uses as much as digits as its factorization.

918134784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 605 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 918134784 is about 30300.7390008891. The cubic root of 918134784 is about 971.9311031794.

The spelling of 918134784 in words is "nine hundred eighteen million, one hundred thirty-four thousand, seven hundred eighty-four".